/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:21:59,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:21:59,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:21:59,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:21:59,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:21:59,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:21:59,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:21:59,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:21:59,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:21:59,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:21:59,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:21:59,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:21:59,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:21:59,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:21:59,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:21:59,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:21:59,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:21:59,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:21:59,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:21:59,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:21:59,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:21:59,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:21:59,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:21:59,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:21:59,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:21:59,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:21:59,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:21:59,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:21:59,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:21:59,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:21:59,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:21:59,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:21:59,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:21:59,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:21:59,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:21:59,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:21:59,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:21:59,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:21:59,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:21:59,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:21:59,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:21:59,334 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 12:21:59,379 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:21:59,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:21:59,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:21:59,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:21:59,381 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:21:59,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:21:59,381 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:21:59,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:21:59,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:21:59,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:21:59,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:21:59,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:21:59,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:21:59,383 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:21:59,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:21:59,383 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:21:59,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:21:59,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:21:59,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:21:59,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:21:59,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:21:59,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:21:59,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:21:59,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:21:59,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:21:59,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:21:59,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:21:59,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:21:59,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:21:59,386 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:21:59,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:21:59,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:21:59,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:21:59,908 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:21:59,908 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:21:59,909 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-09-21 12:21:59,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61ffcb40b/51c0d0eb19054c4888a2dbade7c3b89f/FLAGa127c88b6 [2020-09-21 12:22:00,553 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:22:00,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-09-21 12:22:00,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61ffcb40b/51c0d0eb19054c4888a2dbade7c3b89f/FLAGa127c88b6 [2020-09-21 12:22:00,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61ffcb40b/51c0d0eb19054c4888a2dbade7c3b89f [2020-09-21 12:22:01,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:22:01,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:22:01,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:22:01,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:22:01,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:22:01,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:22:00" (1/1) ... [2020-09-21 12:22:01,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11eacdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01, skipping insertion in model container [2020-09-21 12:22:01,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:22:00" (1/1) ... [2020-09-21 12:22:01,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:22:01,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:22:01,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:22:01,297 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:22:01,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:22:01,329 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:22:01,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01 WrapperNode [2020-09-21 12:22:01,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:22:01,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:22:01,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:22:01,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:22:01,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (1/1) ... [2020-09-21 12:22:01,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:22:01,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:22:01,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:22:01,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:22:01,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (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 12:22:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:22:01,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:22:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-09-21 12:22:01,536 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:22:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:22:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:22:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-09-21 12:22:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:22:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:22:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:22:01,780 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:22:01,780 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:22:01,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:22:01 BoogieIcfgContainer [2020-09-21 12:22:01,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:22:01,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:22:01,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:22:01,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:22:01,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:22:00" (1/3) ... [2020-09-21 12:22:01,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a95ab01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:22:01, skipping insertion in model container [2020-09-21 12:22:01,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:01" (2/3) ... [2020-09-21 12:22:01,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a95ab01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:22:01, skipping insertion in model container [2020-09-21 12:22:01,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:22:01" (3/3) ... [2020-09-21 12:22:01,827 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2020-09-21 12:22:01,858 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:22:01,881 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:22:01,905 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:22:01,934 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:22:01,934 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:22:01,934 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:22:01,934 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:22:01,935 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:22:01,935 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:22:01,935 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:22:01,935 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:22:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-21 12:22:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 12:22:01,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:01,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:01,963 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:01,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:01,970 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-09-21 12:22:01,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:01,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003099869] [2020-09-21 12:22:01,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:02,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:22:02,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:02,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 12:22:02,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:02,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:02,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:02,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:22:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:02,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:02,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:02,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:02,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:02,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:02,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:02,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:22:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:02,348 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 12:22:02,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003099869] [2020-09-21 12:22:02,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:22:02,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:22:02,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428886782] [2020-09-21 12:22:02,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:22:02,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:02,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:22:02,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:22:02,377 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-09-21 12:22:02,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:02,517 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-09-21 12:22:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:22:02,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 12:22:02,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:02,531 INFO L225 Difference]: With dead ends: 35 [2020-09-21 12:22:02,532 INFO L226 Difference]: Without dead ends: 21 [2020-09-21 12:22:02,536 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 12:22:02,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-21 12:22:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-09-21 12:22:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 12:22:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 12:22:02,596 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-09-21 12:22:02,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:02,597 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 12:22:02,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:22:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 12:22:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 12:22:02,599 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:02,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:02,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:22:02,600 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:02,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:02,601 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-09-21 12:22:02,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:02,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407723815] [2020-09-21 12:22:02,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:02,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 12:22:02,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:02,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 12:22:02,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:02,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:02,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:02,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:02,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:02,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:02,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:02,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:02,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:02,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:22:02,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:02,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:02,825 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 12:22:02,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407723815] [2020-09-21 12:22:02,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:22:02,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:22:02,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85799961] [2020-09-21 12:22:02,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:22:02,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:02,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:22:02,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:22:02,830 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-09-21 12:22:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:02,901 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-09-21 12:22:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:22:02,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 12:22:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:02,903 INFO L225 Difference]: With dead ends: 27 [2020-09-21 12:22:02,903 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 12:22:02,905 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 12:22:02,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 12:22:02,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-09-21 12:22:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 12:22:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 12:22:02,913 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-09-21 12:22:02,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:02,914 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 12:22:02,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:22:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 12:22:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:22:02,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:02,916 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:02,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:22:02,916 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:02,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:02,917 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-09-21 12:22:02,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:02,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132731423] [2020-09-21 12:22:02,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:02,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:02,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:03,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 12:22:03,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:03,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 766 [2020-09-21 12:22:03,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:03,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:22:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:03,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:03,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:03,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:03,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:03,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:03,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:03,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:03,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:03,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:03,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:22:03,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:22:03,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:22:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:03,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:03,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:03,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:03,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:22:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:03,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:03,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:03,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:03,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:22:03,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 12:22:03,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132731423] [2020-09-21 12:22:03,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:03,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:22:03,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155340464] [2020-09-21 12:22:03,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:22:03,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:03,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:22:03,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:22:03,850 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2020-09-21 12:22:03,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:03,941 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-09-21 12:22:03,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:22:03,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-09-21 12:22:03,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:03,943 INFO L225 Difference]: With dead ends: 38 [2020-09-21 12:22:03,943 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 12:22:03,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:22:03,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 12:22:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-09-21 12:22:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-21 12:22:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-09-21 12:22:03,953 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-09-21 12:22:03,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:03,953 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-09-21 12:22:03,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:22:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-09-21 12:22:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 12:22:03,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:03,955 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:03,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:22:03,956 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:03,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:03,957 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-09-21 12:22:03,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:03,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685333975] [2020-09-21 12:22:03,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:03,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:03,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:04,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 12:22:04,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:04,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-21 12:22:04,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:22:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:04,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:04,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:04,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:04,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:04,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:04,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:04,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:04,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:04,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:04,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:04,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:04,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-21 12:22:04,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:04,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:04,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:04,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:04,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:22:04,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:04,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:04,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:04,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:04,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:04,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:04,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:04,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:04,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:04,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:22:04,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685333975] [2020-09-21 12:22:04,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:04,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:22:04,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289319723] [2020-09-21 12:22:04,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:22:04,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:22:04,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:04,593 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-09-21 12:22:04,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:04,674 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-09-21 12:22:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:22:04,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 12:22:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:04,677 INFO L225 Difference]: With dead ends: 30 [2020-09-21 12:22:04,677 INFO L226 Difference]: Without dead ends: 26 [2020-09-21 12:22:04,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:22:04,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-09-21 12:22:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-09-21 12:22:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-21 12:22:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-09-21 12:22:04,686 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-09-21 12:22:04,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:04,686 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-09-21 12:22:04,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:22:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-09-21 12:22:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:22:04,688 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:04,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:04,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:22:04,689 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:04,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:04,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1780546516, now seen corresponding path program 1 times [2020-09-21 12:22:04,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:04,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307951917] [2020-09-21 12:22:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:04,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:04,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:22:05,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:22:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-09-21 12:22:05,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:22:05,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:22:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:05,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:05,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:05,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:05,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:05,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:05,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:05,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:05,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 12:22:05,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 12:22:05,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:22:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:05,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:05,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:05,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:05,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:22:05,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:05,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:05,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:05,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:05,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:05,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:22:05,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:05,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 12:22:05,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307951917] [2020-09-21 12:22:05,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:22:05,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:22:05,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230965913] [2020-09-21 12:22:05,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:22:05,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:05,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:22:05,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:22:05,422 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2020-09-21 12:22:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:05,503 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2020-09-21 12:22:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:22:05,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-09-21 12:22:05,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:05,506 INFO L225 Difference]: With dead ends: 52 [2020-09-21 12:22:05,506 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 12:22:05,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 12:22:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2020-09-21 12:22:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 12:22:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-09-21 12:22:05,519 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 28 [2020-09-21 12:22:05,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:05,520 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-09-21 12:22:05,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:22:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-09-21 12:22:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 12:22:05,521 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:05,522 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:05,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:22:05,522 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:05,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:05,523 INFO L82 PathProgramCache]: Analyzing trace with hash 499839773, now seen corresponding path program 2 times [2020-09-21 12:22:05,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:05,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805902148] [2020-09-21 12:22:05,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:05,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:05,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:22:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:06,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:22:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:22:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:06,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:06,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:06,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:06,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:06,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:06,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:06,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:06,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:06,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:06,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:06,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:06,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:06,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:06,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-21 12:22:06,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:22:06,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:06,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:06,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:06,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:06,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:22:06,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:06,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:06,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:07,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:07,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:07,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 12:22:07,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:07,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:07,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:07,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:07,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:07,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:07,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:07,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:07,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:07,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:07,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:07,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 12:22:07,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805902148] [2020-09-21 12:22:07,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:07,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:22:07,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581545948] [2020-09-21 12:22:07,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:22:07,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:07,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:22:07,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:07,066 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 7 states. [2020-09-21 12:22:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:07,225 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-09-21 12:22:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:22:07,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-21 12:22:07,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:07,228 INFO L225 Difference]: With dead ends: 56 [2020-09-21 12:22:07,228 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 12:22:07,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:22:07,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 12:22:07,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-09-21 12:22:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 12:22:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-09-21 12:22:07,236 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 41 [2020-09-21 12:22:07,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:07,236 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-09-21 12:22:07,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:22:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-09-21 12:22:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 12:22:07,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:07,238 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:07,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:22:07,239 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:07,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:07,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1111873851, now seen corresponding path program 3 times [2020-09-21 12:22:07,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:07,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353746611] [2020-09-21 12:22:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:07,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:07,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:08,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:08,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:22:08,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:08,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:08,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:22:08,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:08,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:08,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:08,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:08,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:08,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:08,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:09,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:09,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:09,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:22:09,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:09,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:09,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:09,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:09,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:22:09,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:09,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:09,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:09,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:09,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:09,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:09,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:09,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:09,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:09,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:09,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:22:09,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-21 12:22:09,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353746611] [2020-09-21 12:22:09,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:09,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:22:09,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036710335] [2020-09-21 12:22:09,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:22:09,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:09,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:22:09,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:22:09,418 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 6 states. [2020-09-21 12:22:09,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:09,510 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-09-21 12:22:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:22:09,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-09-21 12:22:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:09,512 INFO L225 Difference]: With dead ends: 40 [2020-09-21 12:22:09,512 INFO L226 Difference]: Without dead ends: 36 [2020-09-21 12:22:09,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:22:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-09-21 12:22:09,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2020-09-21 12:22:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 12:22:09,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-09-21 12:22:09,520 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 41 [2020-09-21 12:22:09,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:09,520 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-09-21 12:22:09,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:22:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-09-21 12:22:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:22:09,522 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:09,522 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:09,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:22:09,523 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:09,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:09,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1143247140, now seen corresponding path program 4 times [2020-09-21 12:22:09,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:09,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724857106] [2020-09-21 12:22:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:09,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:09,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:10,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:22:10,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:10,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:22:10,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:10,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:22:10,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:22:10,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:10,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:10,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:10,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:10,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:10,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:10,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:10,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:10,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:10,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:11,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 12:22:11,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:11,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:11,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:11,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:11,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:11,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:22:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:11,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:11,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:11,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:11,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-21 12:22:11,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:11,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:11,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:11,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:11,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:11,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:11,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:11,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:11,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:11,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:11,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:11,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:11,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:11,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:11,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:11,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:11,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:11,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:11,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:12,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:12,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:12,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 12:22:12,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:12,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:12,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:12,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:12,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:12,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:12,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:12,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:12,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:12,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:12,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:12,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:12,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-21 12:22:12,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724857106] [2020-09-21 12:22:12,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:12,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:22:12,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768922262] [2020-09-21 12:22:12,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:22:12,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:12,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:22:12,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:12,194 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 7 states. [2020-09-21 12:22:12,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:12,381 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2020-09-21 12:22:12,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:22:12,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:22:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:12,383 INFO L225 Difference]: With dead ends: 65 [2020-09-21 12:22:12,384 INFO L226 Difference]: Without dead ends: 41 [2020-09-21 12:22:12,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:22:12,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-21 12:22:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2020-09-21 12:22:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-09-21 12:22:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2020-09-21 12:22:12,392 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 54 [2020-09-21 12:22:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:12,392 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2020-09-21 12:22:12,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:22:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2020-09-21 12:22:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 12:22:12,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:12,394 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:12,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:22:12,395 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:12,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:12,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 5 times [2020-09-21 12:22:12,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:12,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922061861] [2020-09-21 12:22:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:12,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:13,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 12:22:13,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:22:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:22:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:13,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:13,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:13,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:13,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:13,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:13,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:13,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:14,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:22:14,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:22:14,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:14,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 12:22:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:14,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:15,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:15,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:22:15,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:22:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:15,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:22:15,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:15,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:15,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:15,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:15,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:15,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:15,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:15,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:15,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:15,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:15,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:22:15,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:15,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:15,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:15,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:16,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:16,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:16,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:22:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:22:16,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:16,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:16,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:22:16,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:16,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:16,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:16,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:16,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:16,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:16,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:16,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:16,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:16,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:16,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:16,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:16,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:16,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:16,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:16,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:16,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:16,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:16,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:16,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:16,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:16,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:16,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:16,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:22:16,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:16,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 104 proven. 67 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-09-21 12:22:16,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922061861] [2020-09-21 12:22:16,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:16,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:22:16,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059052493] [2020-09-21 12:22:16,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:22:16,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:16,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:22:16,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:22:16,800 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 10 states. [2020-09-21 12:22:17,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:17,056 INFO L93 Difference]: Finished difference Result 85 states and 126 transitions. [2020-09-21 12:22:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:22:17,057 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-09-21 12:22:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:17,060 INFO L225 Difference]: With dead ends: 85 [2020-09-21 12:22:17,060 INFO L226 Difference]: Without dead ends: 49 [2020-09-21 12:22:17,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:22:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-21 12:22:17,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-09-21 12:22:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-09-21 12:22:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2020-09-21 12:22:17,079 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 82 [2020-09-21 12:22:17,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:17,081 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2020-09-21 12:22:17,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:22:17,081 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2020-09-21 12:22:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 12:22:17,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:17,084 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:17,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:22:17,085 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:17,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 6 times [2020-09-21 12:22:17,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:17,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822423745] [2020-09-21 12:22:17,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:17,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:18,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:22:18,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:22:18,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:18,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:18,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:22:18,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:18,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:18,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:18,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:18,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:18,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:18,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:18,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:18,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:19,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-21 12:22:19,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:19,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:22:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 12:22:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:19,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:20,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:20,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:20,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:20,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:20,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 12:22:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:20,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:20,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:20,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:20,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:20,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:20,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:20,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:20,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-21 12:22:20,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:22:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:20,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:20,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:21,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:21,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:21,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:21,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:22:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:21,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:21,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:21,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:21,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:21,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:21,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:21,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:21,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:21,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:21,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:21,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:21,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:22,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:22,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:22,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-21 12:22:22,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:22,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:22,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:22,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:22,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:22:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 239 proven. 178 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2020-09-21 12:22:22,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822423745] [2020-09-21 12:22:22,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:22,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:22:22,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013506981] [2020-09-21 12:22:22,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:22:22,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:22,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:22:22,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:22:22,279 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand 10 states. [2020-09-21 12:22:22,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:22,577 INFO L93 Difference]: Finished difference Result 101 states and 156 transitions. [2020-09-21 12:22:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:22:22,577 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-09-21 12:22:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:22,580 INFO L225 Difference]: With dead ends: 101 [2020-09-21 12:22:22,580 INFO L226 Difference]: Without dead ends: 62 [2020-09-21 12:22:22,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:22:22,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-21 12:22:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-09-21 12:22:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-21 12:22:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2020-09-21 12:22:22,592 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 136 [2020-09-21 12:22:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:22,592 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2020-09-21 12:22:22,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:22:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2020-09-21 12:22:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 12:22:22,594 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:22,594 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:22,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:22:22,595 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:22,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:22,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1037714201, now seen corresponding path program 7 times [2020-09-21 12:22:22,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:22,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335427478] [2020-09-21 12:22:22,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:22,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:23,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 12:22:23,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:23,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:22:23,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-21 12:22:23,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:23,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:23,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:23,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:23,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:23,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:23,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:23,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:23,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:23,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:24,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-21 12:22:24,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:22:24,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:22:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-09-21 12:22:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:24,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:24,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:25,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:25,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:22:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:25,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:25,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:26,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:26,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:26,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 12:22:26,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:26,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:26,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:26,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:26,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:26,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:26,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:26,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:26,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:27,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:27,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-21 12:22:27,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:27,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:27,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:27,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:27,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:27,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:27,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:22:27,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:27,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:27,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:27,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:22:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:27,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:27,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:27,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:27,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:27,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:27,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:27,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:27,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:27,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:27,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:28,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:28,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:22:28,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:28,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:28,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:22:28,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:28,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:28,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:28,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:28,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:28,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:28,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:28,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:28,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:28,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 294 proven. 194 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2020-09-21 12:22:28,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335427478] [2020-09-21 12:22:28,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:28,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 12:22:28,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37024059] [2020-09-21 12:22:28,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:22:28,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:22:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:22:28,532 INFO L87 Difference]: Start difference. First operand 59 states and 77 transitions. Second operand 11 states. [2020-09-21 12:22:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:29,003 INFO L93 Difference]: Finished difference Result 140 states and 226 transitions. [2020-09-21 12:22:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 12:22:29,004 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2020-09-21 12:22:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:29,008 INFO L225 Difference]: With dead ends: 140 [2020-09-21 12:22:29,008 INFO L226 Difference]: Without dead ends: 82 [2020-09-21 12:22:29,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2020-09-21 12:22:29,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-21 12:22:29,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2020-09-21 12:22:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-21 12:22:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 95 transitions. [2020-09-21 12:22:29,032 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 95 transitions. Word has length 150 [2020-09-21 12:22:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:29,035 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 95 transitions. [2020-09-21 12:22:29,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:22:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-09-21 12:22:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 12:22:29,041 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:29,041 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:29,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:22:29,042 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash 259499213, now seen corresponding path program 8 times [2020-09-21 12:22:29,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:29,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1053684482] [2020-09-21 12:22:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-21 12:22:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:30,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:30,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:30,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:31,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:22:31,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:31,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:22:31,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-21 12:22:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:31,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:31,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:32,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:32,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:22:32,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:32,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:22:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:32,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:32,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:32,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:33,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:22:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:33,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:22:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:33,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 12:22:33,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:33,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:33,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:33,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:33,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:33,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:33,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-21 12:22:33,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:33,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:33,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:22:33,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:33,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:22:33,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:33,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:33,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:33,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:33,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:33,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:33,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 12:22:33,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:33,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:22:33,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:33,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:33,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:33,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:33,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:33,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:33,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:33,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:33,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 156 proven. 386 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2020-09-21 12:22:33,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1053684482] [2020-09-21 12:22:33,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:33,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:22:33,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958652393] [2020-09-21 12:22:33,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:22:33,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:33,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:22:33,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:22:33,900 INFO L87 Difference]: Start difference. First operand 69 states and 95 transitions. Second operand 10 states. [2020-09-21 12:22:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:34,143 INFO L93 Difference]: Finished difference Result 164 states and 279 transitions. [2020-09-21 12:22:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:22:34,143 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-09-21 12:22:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:34,145 INFO L225 Difference]: With dead ends: 164 [2020-09-21 12:22:34,145 INFO L226 Difference]: Without dead ends: 95 [2020-09-21 12:22:34,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:22:34,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-21 12:22:34,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2020-09-21 12:22:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 12:22:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2020-09-21 12:22:34,160 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 177 [2020-09-21 12:22:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:34,161 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2020-09-21 12:22:34,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:22:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2020-09-21 12:22:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 12:22:34,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:34,165 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:34,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 12:22:34,166 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:34,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:34,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1425621089, now seen corresponding path program 9 times [2020-09-21 12:22:34,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:34,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423495006] [2020-09-21 12:22:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:35,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-09-21 12:22:35,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1015 [2020-09-21 12:22:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-21 12:22:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:35,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:35,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:35,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:35,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:35,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 359 [2020-09-21 12:22:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:36,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:36,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:37,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:22:37,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:37,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:22:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-09-21 12:22:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:22:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:38,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:22:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:22:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:39,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:40,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:40,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:22:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:40,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:40,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:40,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:40,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:40,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 12:22:40,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:40,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:40,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 12:22:40,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:22:40,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:40,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:40,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:40,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:40,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:40,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 12:22:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 12:22:41,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 12:22:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:41,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 12:22:41,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:41,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:22:41,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:22:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:41,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:22:41,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:41,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:41,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:41,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:41,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:41,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:41,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:22:41,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:41,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:41,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:41,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:41,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:41,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:41,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:41,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:22:41,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:41,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:41,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:41,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:41,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:41,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:41,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 240 proven. 932 refuted. 0 times theorem prover too weak. 3396 trivial. 0 not checked. [2020-09-21 12:22:41,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423495006] [2020-09-21 12:22:41,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:41,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 12:22:41,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98407427] [2020-09-21 12:22:41,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:22:41,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:41,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:22:41,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:22:41,569 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand 11 states. [2020-09-21 12:22:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:41,920 INFO L93 Difference]: Finished difference Result 186 states and 302 transitions. [2020-09-21 12:22:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:22:41,921 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 286 [2020-09-21 12:22:41,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:41,930 INFO L225 Difference]: With dead ends: 186 [2020-09-21 12:22:41,930 INFO L226 Difference]: Without dead ends: 182 [2020-09-21 12:22:41,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:22:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-09-21 12:22:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 168. [2020-09-21 12:22:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 12:22:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 270 transitions. [2020-09-21 12:22:42,002 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 270 transitions. Word has length 286 [2020-09-21 12:22:42,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:42,003 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 270 transitions. [2020-09-21 12:22:42,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:22:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 270 transitions. [2020-09-21 12:22:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-09-21 12:22:42,018 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:42,018 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:42,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 12:22:42,019 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:42,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:42,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1339067037, now seen corresponding path program 10 times [2020-09-21 12:22:42,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:42,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532647191] [2020-09-21 12:22:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:43,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 692 [2020-09-21 12:22:43,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1049 [2020-09-21 12:22:43,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 12:22:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-09-21 12:22:43,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:43,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:43,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:43,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:43,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:43,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:43,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:43,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:43,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:43,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:43,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:44,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 680 [2020-09-21 12:22:44,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:22:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:22:44,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 12:22:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 434 [2020-09-21 12:22:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:44,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1011 [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:45,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-09-21 12:22:45,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-21 12:22:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:45,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:22:45,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:45,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:22:45,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:45,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:45,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:45,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:45,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:45,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:45,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:45,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:45,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:22:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:46,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:46,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:46,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:46,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:46,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:46,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:46,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:46,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:22:46,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:46,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:46,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:46,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:46,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:46,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:46,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:46,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:46,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:22:46,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:46,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:46,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:46,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 12:22:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:47,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-09-21 12:22:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:47,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:22:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:47,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:47,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:22:47,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:47,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:22:47,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:47,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:47,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:47,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:47,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:47,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:47,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:47,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:47,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:47,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:47,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:47,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:47,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:48,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:48,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:22:48,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:22:48,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:48,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:22:48,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:48,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:48,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:22:48,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:48,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-21 12:22:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-09-21 12:22:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:49,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking...