/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/mlceu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:26:04,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:26:04,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:26:04,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:26:04,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:26:04,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:26:04,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:26:04,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:26:04,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:26:04,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:26:04,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:26:04,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:26:04,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:26:04,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:26:04,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:26:04,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:26:04,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:26:04,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:26:04,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:26:04,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:26:04,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:26:04,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:26:04,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:26:04,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:26:04,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:26:04,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:26:04,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:26:04,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:26:04,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:26:04,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:26:04,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:26:04,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:26:04,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:26:04,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:26:04,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:26:04,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:26:04,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:26:04,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:26:04,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:26:04,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:26:04,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:26:04,445 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 [2020-10-14 18:26:04,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:26:04,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:26:04,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:26:04,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:26:04,483 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:26:04,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:26:04,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:26:04,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:26:04,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:26:04,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:26:04,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:26:04,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:26:04,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:26:04,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:26:04,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:26:04,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:26:04,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:26:04,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:26:04,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:26:04,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:26:04,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:26:04,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:26:04,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:26:04,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:26:04,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:26:04,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:26:04,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:26:04,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:26:04,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:26:04,489 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 18:26:04,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:26:04,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:26:04,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:26:04,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:26:04,789 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:26:04,790 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mlceu.c [2020-10-14 18:26:04,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffb3c7d6c/87b9b731a7b44da19f723bb7aecdedcb/FLAG775e85475 [2020-10-14 18:26:05,288 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:26:05,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-tiling/mlceu.c [2020-10-14 18:26:05,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffb3c7d6c/87b9b731a7b44da19f723bb7aecdedcb/FLAG775e85475 [2020-10-14 18:26:05,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffb3c7d6c/87b9b731a7b44da19f723bb7aecdedcb [2020-10-14 18:26:05,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:26:05,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:26:05,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:26:05,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:26:05,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:26:05,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:05,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe964b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05, skipping insertion in model container [2020-10-14 18:26:05,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:05,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:26:05,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:26:05,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:26:05,857 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:26:05,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:26:05,890 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:26:05,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05 WrapperNode [2020-10-14 18:26:05,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:26:05,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:26:05,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:26:05,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:26:05,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:05,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:05,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:05,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:06,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:06,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:06,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (1/1) ... [2020-10-14 18:26:06,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:26:06,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:26:06,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:26:06,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:26:06,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (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 [2020-10-14 18:26:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:26:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:26:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 18:26:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 18:26:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:26:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:26:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 18:26:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 18:26:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:26:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:26:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 18:26:06,318 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:26:06,318 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 18:26:06,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:26:06 BoogieIcfgContainer [2020-10-14 18:26:06,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:26:06,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:26:06,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:26:06,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:26:06,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:26:05" (1/3) ... [2020-10-14 18:26:06,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b642ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:26:06, skipping insertion in model container [2020-10-14 18:26:06,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:26:05" (2/3) ... [2020-10-14 18:26:06,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b642ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:26:06, skipping insertion in model container [2020-10-14 18:26:06,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:26:06" (3/3) ... [2020-10-14 18:26:06,332 INFO L109 eAbstractionObserver]: Analyzing ICFG mlceu.c [2020-10-14 18:26:06,342 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:26:06,349 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:26:06,366 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:26:06,390 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:26:06,391 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:26:06,391 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:26:06,391 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:26:06,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:26:06,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:26:06,392 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:26:06,392 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:26:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-10-14 18:26:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-14 18:26:06,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:06,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:06,420 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:06,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:06,426 INFO L82 PathProgramCache]: Analyzing trace with hash -556422982, now seen corresponding path program 1 times [2020-10-14 18:26:06,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:06,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398534515] [2020-10-14 18:26:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:06,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:06,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:06,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 18:26:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:26:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-14 18:26:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 18:26:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:26:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 18:26:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 18:26:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:07,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 18:26:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:07,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:07,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:26:07,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:07,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:26:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 18:26:07,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:07,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:26:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:26:07,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398534515] [2020-10-14 18:26:07,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:26:07,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 18:26:07,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718659560] [2020-10-14 18:26:07,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 18:26:07,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:07,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 18:26:07,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 18:26:07,242 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 5 states. [2020-10-14 18:26:07,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:07,426 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2020-10-14 18:26:07,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 18:26:07,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-10-14 18:26:07,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:07,437 INFO L225 Difference]: With dead ends: 60 [2020-10-14 18:26:07,437 INFO L226 Difference]: Without dead ends: 29 [2020-10-14 18:26:07,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 18:26:07,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-14 18:26:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2020-10-14 18:26:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-14 18:26:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-10-14 18:26:07,477 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 20 [2020-10-14 18:26:07,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:07,478 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-10-14 18:26:07,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 18:26:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-10-14 18:26:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 18:26:07,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:07,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:07,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 18:26:07,480 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:07,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:07,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1695600588, now seen corresponding path program 1 times [2020-10-14 18:26:07,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:07,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806659039] [2020-10-14 18:26:07,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 18:26:07,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 18:26:07,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 18:26:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:07,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:07,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:07,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:07,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:07,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:07,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:26:07,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806659039] [2020-10-14 18:26:07,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:26:07,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 18:26:07,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316297040] [2020-10-14 18:26:07,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:26:07,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:07,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:26:07,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:26:07,634 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 4 states. [2020-10-14 18:26:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:07,708 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2020-10-14 18:26:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 18:26:07,709 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-10-14 18:26:07,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:07,712 INFO L225 Difference]: With dead ends: 48 [2020-10-14 18:26:07,712 INFO L226 Difference]: Without dead ends: 34 [2020-10-14 18:26:07,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:26:07,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-14 18:26:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2020-10-14 18:26:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-14 18:26:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-10-14 18:26:07,728 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 23 [2020-10-14 18:26:07,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:07,729 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-10-14 18:26:07,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:26:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-10-14 18:26:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 18:26:07,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:07,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:07,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 18:26:07,731 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:07,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1919308338, now seen corresponding path program 1 times [2020-10-14 18:26:07,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:07,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056028199] [2020-10-14 18:26:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 18:26:07,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 18:26:07,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 18:26:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 18:26:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:07,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:07,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:07,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:07,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:07,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:07,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:07,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:07,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:07,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:26:07,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056028199] [2020-10-14 18:26:07,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:07,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 18:26:07,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198209714] [2020-10-14 18:26:07,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 18:26:07,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:07,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 18:26:07,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-14 18:26:07,980 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 9 states. [2020-10-14 18:26:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:08,233 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2020-10-14 18:26:08,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 18:26:08,234 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-14 18:26:08,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:08,235 INFO L225 Difference]: With dead ends: 41 [2020-10-14 18:26:08,235 INFO L226 Difference]: Without dead ends: 39 [2020-10-14 18:26:08,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:26:08,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-14 18:26:08,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2020-10-14 18:26:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-14 18:26:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-10-14 18:26:08,245 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 23 [2020-10-14 18:26:08,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:08,245 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-10-14 18:26:08,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 18:26:08,246 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-10-14 18:26:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 18:26:08,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:08,247 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:08,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 18:26:08,248 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:08,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:08,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1226987484, now seen corresponding path program 1 times [2020-10-14 18:26:08,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:08,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662393693] [2020-10-14 18:26:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:08,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:08,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:08,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 18:26:08,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:08,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 18:26:08,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:08,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 18:26:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 18:26:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:08,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:08,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:08,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:08,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:08,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:08,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:08,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:08,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:08,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:08,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:08,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:08,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:08,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:08,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:08,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:08,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:08,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 18:26:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:08,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:08,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:08,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:08,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:08,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:26:08,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662393693] [2020-10-14 18:26:08,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:08,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 18:26:08,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371508356] [2020-10-14 18:26:08,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 18:26:08,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:08,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 18:26:08,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 18:26:08,472 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 8 states. [2020-10-14 18:26:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:08,665 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-10-14 18:26:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 18:26:08,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-14 18:26:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:08,667 INFO L225 Difference]: With dead ends: 75 [2020-10-14 18:26:08,667 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 18:26:08,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-14 18:26:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 18:26:08,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2020-10-14 18:26:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-14 18:26:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2020-10-14 18:26:08,676 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 31 [2020-10-14 18:26:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:08,676 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2020-10-14 18:26:08,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 18:26:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2020-10-14 18:26:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-14 18:26:08,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:08,678 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:08,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 18:26:08,679 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:08,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:08,679 INFO L82 PathProgramCache]: Analyzing trace with hash -357959342, now seen corresponding path program 2 times [2020-10-14 18:26:08,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:08,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398878299] [2020-10-14 18:26:08,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:08,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:08,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 18:26:08,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:08,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-14 18:26:08,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:08,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 18:26:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:08,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 18:26:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 18:26:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:09,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:09,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:09,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:09,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 18:26:09,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:09,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:09,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:26:09,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:09,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:09,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:09,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:09,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:09,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:26:09,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:09,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 18:26:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 18:26:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:09,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:09,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:09,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:09,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 18:26:09,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:09,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:09,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:09,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:09,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:26:09,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398878299] [2020-10-14 18:26:09,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:09,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 18:26:09,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441514390] [2020-10-14 18:26:09,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 18:26:09,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:09,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 18:26:09,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-14 18:26:09,083 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 11 states. [2020-10-14 18:26:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:09,647 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-14 18:26:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 18:26:09,648 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-14 18:26:09,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:09,650 INFO L225 Difference]: With dead ends: 52 [2020-10-14 18:26:09,650 INFO L226 Difference]: Without dead ends: 50 [2020-10-14 18:26:09,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:26:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-14 18:26:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-10-14 18:26:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-14 18:26:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2020-10-14 18:26:09,672 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 34 [2020-10-14 18:26:09,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:09,674 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2020-10-14 18:26:09,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 18:26:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-10-14 18:26:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 18:26:09,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:09,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:09,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 18:26:09,679 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:09,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:09,680 INFO L82 PathProgramCache]: Analyzing trace with hash -2084819032, now seen corresponding path program 3 times [2020-10-14 18:26:09,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:09,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452546750] [2020-10-14 18:26:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:09,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:09,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:09,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 18:26:09,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-14 18:26:09,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:09,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 18:26:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:09,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 18:26:09,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:10,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:10,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:10,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 18:26:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:10,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:26:10,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:26:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:10,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:10,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 18:26:10,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452546750] [2020-10-14 18:26:10,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:10,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 18:26:10,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530698702] [2020-10-14 18:26:10,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 18:26:10,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:10,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 18:26:10,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 18:26:10,067 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 10 states. [2020-10-14 18:26:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:10,386 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2020-10-14 18:26:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 18:26:10,387 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-10-14 18:26:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:10,388 INFO L225 Difference]: With dead ends: 102 [2020-10-14 18:26:10,388 INFO L226 Difference]: Without dead ends: 56 [2020-10-14 18:26:10,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:26:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-14 18:26:10,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2020-10-14 18:26:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-14 18:26:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2020-10-14 18:26:10,400 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 42 [2020-10-14 18:26:10,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:10,401 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2020-10-14 18:26:10,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 18:26:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-10-14 18:26:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 18:26:10,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:10,402 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:10,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 18:26:10,402 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:10,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:10,403 INFO L82 PathProgramCache]: Analyzing trace with hash -810617414, now seen corresponding path program 4 times [2020-10-14 18:26:10,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:10,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037124] [2020-10-14 18:26:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 18:26:10,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-14 18:26:10,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 18:26:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 18:26:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:10,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:10,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:10,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:10,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 18:26:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:10,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:10,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:26:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:10,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:10,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:10,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:10,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:10,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:10,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:10,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 18:26:10,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037124] [2020-10-14 18:26:10,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:10,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 18:26:10,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919096237] [2020-10-14 18:26:10,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 18:26:10,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:10,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 18:26:10,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-14 18:26:10,804 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 13 states. [2020-10-14 18:26:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:11,453 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-10-14 18:26:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 18:26:11,453 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2020-10-14 18:26:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:11,455 INFO L225 Difference]: With dead ends: 63 [2020-10-14 18:26:11,455 INFO L226 Difference]: Without dead ends: 61 [2020-10-14 18:26:11,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2020-10-14 18:26:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-14 18:26:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2020-10-14 18:26:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 18:26:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-10-14 18:26:11,464 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 45 [2020-10-14 18:26:11,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:11,465 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-10-14 18:26:11,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 18:26:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-10-14 18:26:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 18:26:11,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:11,467 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:11,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 18:26:11,467 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:11,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1110293488, now seen corresponding path program 5 times [2020-10-14 18:26:11,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:11,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946435206] [2020-10-14 18:26:11,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:11,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:11,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-14 18:26:11,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-14 18:26:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:11,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 18:26:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 18:26:11,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:11,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:11,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:11,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:11,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:11,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:11,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:11,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:11,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:11,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:11,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:11,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:11,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:11,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 18:26:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:11,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:11,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:11,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:11,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:11,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:11,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:11,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:26:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:11,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:11,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:11,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:11,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:11,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:26:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:11,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:11,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:11,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:11,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:11,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 18:26:11,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946435206] [2020-10-14 18:26:11,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:11,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 18:26:11,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712490146] [2020-10-14 18:26:11,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 18:26:11,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:11,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 18:26:11,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-14 18:26:11,791 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 12 states. [2020-10-14 18:26:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:12,049 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2020-10-14 18:26:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 18:26:12,050 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-10-14 18:26:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:12,051 INFO L225 Difference]: With dead ends: 129 [2020-10-14 18:26:12,051 INFO L226 Difference]: Without dead ends: 67 [2020-10-14 18:26:12,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-14 18:26:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-14 18:26:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2020-10-14 18:26:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 18:26:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-10-14 18:26:12,061 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 53 [2020-10-14 18:26:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:12,062 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-10-14 18:26:12,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 18:26:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-10-14 18:26:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 18:26:12,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:12,063 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:12,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 18:26:12,064 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:12,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:12,064 INFO L82 PathProgramCache]: Analyzing trace with hash -687513922, now seen corresponding path program 6 times [2020-10-14 18:26:12,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:12,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192332289] [2020-10-14 18:26:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:12,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:12,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:12,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 18:26:12,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:12,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-14 18:26:12,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:12,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 18:26:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 18:26:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:12,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:12,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:12,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:12,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:12,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:12,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:12,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:12,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:12,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:12,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:12,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:12,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:12,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:12,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:26:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:12,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:12,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:26:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:12,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:12,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:12,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:12,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:12,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:26:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:12,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:12,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:12,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:12,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:12,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 18:26:12,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192332289] [2020-10-14 18:26:12,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:12,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 18:26:12,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430866977] [2020-10-14 18:26:12,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 18:26:12,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:12,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 18:26:12,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-14 18:26:12,637 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 15 states. [2020-10-14 18:26:13,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:13,326 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2020-10-14 18:26:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 18:26:13,327 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2020-10-14 18:26:13,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:13,328 INFO L225 Difference]: With dead ends: 74 [2020-10-14 18:26:13,328 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 18:26:13,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2020-10-14 18:26:13,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 18:26:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-10-14 18:26:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 18:26:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2020-10-14 18:26:13,338 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 56 [2020-10-14 18:26:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:13,338 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2020-10-14 18:26:13,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 18:26:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2020-10-14 18:26:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 18:26:13,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:13,340 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:13,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 18:26:13,340 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:13,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:13,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1908500756, now seen corresponding path program 7 times [2020-10-14 18:26:13,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:13,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709431207] [2020-10-14 18:26:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 18:26:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-14 18:26:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:26:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 18:26:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:13,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:13,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:13,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:13,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:13,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:13,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:13,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:26:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:13,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:13,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:26:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:13,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:13,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:26:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:13,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:13,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:26:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:13,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:13,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:13,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:13,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:13,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:13,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:13,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 18:26:13,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709431207] [2020-10-14 18:26:13,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:13,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 18:26:13,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169465815] [2020-10-14 18:26:13,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 18:26:13,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:13,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 18:26:13,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:26:13,766 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 14 states. [2020-10-14 18:26:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:14,122 INFO L93 Difference]: Finished difference Result 156 states and 163 transitions. [2020-10-14 18:26:14,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 18:26:14,123 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2020-10-14 18:26:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:14,124 INFO L225 Difference]: With dead ends: 156 [2020-10-14 18:26:14,125 INFO L226 Difference]: Without dead ends: 78 [2020-10-14 18:26:14,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 18:26:14,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-14 18:26:14,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 71. [2020-10-14 18:26:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-14 18:26:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2020-10-14 18:26:14,144 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 64 [2020-10-14 18:26:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:14,145 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2020-10-14 18:26:14,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 18:26:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2020-10-14 18:26:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-14 18:26:14,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:14,147 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:14,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 18:26:14,147 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:14,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:14,148 INFO L82 PathProgramCache]: Analyzing trace with hash -264735322, now seen corresponding path program 8 times [2020-10-14 18:26:14,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:14,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796748174] [2020-10-14 18:26:14,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 18:26:14,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-14 18:26:14,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 18:26:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 18:26:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:14,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:14,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:14,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:14,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:14,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:26:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:14,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:14,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:14,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:14,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:26:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:14,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:14,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:14,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:26:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:14,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:14,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:14,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:14,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:14,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:26:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:14,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:14,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:14,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:14,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:14,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:14,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 18:26:14,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796748174] [2020-10-14 18:26:14,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:14,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 18:26:14,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811563371] [2020-10-14 18:26:14,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 18:26:14,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:14,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 18:26:14,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-14 18:26:14,833 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand 17 states. [2020-10-14 18:26:15,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:15,771 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2020-10-14 18:26:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 18:26:15,771 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2020-10-14 18:26:15,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:15,772 INFO L225 Difference]: With dead ends: 85 [2020-10-14 18:26:15,772 INFO L226 Difference]: Without dead ends: 83 [2020-10-14 18:26:15,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2020-10-14 18:26:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-14 18:26:15,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2020-10-14 18:26:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-14 18:26:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2020-10-14 18:26:15,786 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 67 [2020-10-14 18:26:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:15,786 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2020-10-14 18:26:15,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 18:26:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2020-10-14 18:26:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-14 18:26:15,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:15,787 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:15,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 18:26:15,788 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:15,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:15,788 INFO L82 PathProgramCache]: Analyzing trace with hash -410839044, now seen corresponding path program 9 times [2020-10-14 18:26:15,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:15,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328165025] [2020-10-14 18:26:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:15,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 18:26:16,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-14 18:26:16,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 18:26:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 18:26:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:16,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:16,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:16,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:16,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:16,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:16,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:26:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:16,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:16,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:16,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:16,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:26:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:16,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:16,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:26:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:16,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:16,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:16,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:16,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:26:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:16,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:16,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:16,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:26:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:16,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:16,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:16,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:16,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:16,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:16,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:16,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:16,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 60 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 18:26:16,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328165025] [2020-10-14 18:26:16,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:16,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 18:26:16,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494491509] [2020-10-14 18:26:16,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 18:26:16,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:16,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 18:26:16,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-14 18:26:16,334 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand 16 states. [2020-10-14 18:26:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:16,684 INFO L93 Difference]: Finished difference Result 183 states and 190 transitions. [2020-10-14 18:26:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 18:26:16,685 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 75 [2020-10-14 18:26:16,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:16,686 INFO L225 Difference]: With dead ends: 183 [2020-10-14 18:26:16,686 INFO L226 Difference]: Without dead ends: 89 [2020-10-14 18:26:16,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:26:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-14 18:26:16,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2020-10-14 18:26:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-14 18:26:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2020-10-14 18:26:16,702 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 75 [2020-10-14 18:26:16,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:16,703 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2020-10-14 18:26:16,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 18:26:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2020-10-14 18:26:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 18:26:16,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:16,708 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:16,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 18:26:16,709 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:16,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1069341738, now seen corresponding path program 10 times [2020-10-14 18:26:16,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:16,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559909941] [2020-10-14 18:26:16,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:16,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 18:26:17,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-14 18:26:17,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 18:26:17,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:17,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 18:26:17,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:17,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:17,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:17,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:17,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:17,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:17,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:17,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:17,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:26:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:17,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:17,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 18:26:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:17,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:17,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:17,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 18:26:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:17,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:17,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:17,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:26:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:17,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:26:17,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:26:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:17,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:17,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:17,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:17,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:17,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:17,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:17,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:17,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 10 proven. 101 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 18:26:17,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559909941] [2020-10-14 18:26:17,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:17,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 18:26:17,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168401215] [2020-10-14 18:26:17,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 18:26:17,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:17,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 18:26:17,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:26:17,594 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand 19 states. [2020-10-14 18:26:18,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:18,495 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2020-10-14 18:26:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 18:26:18,496 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2020-10-14 18:26:18,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:18,497 INFO L225 Difference]: With dead ends: 96 [2020-10-14 18:26:18,497 INFO L226 Difference]: Without dead ends: 94 [2020-10-14 18:26:18,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 18:26:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-14 18:26:18,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2020-10-14 18:26:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 18:26:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2020-10-14 18:26:18,506 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 78 [2020-10-14 18:26:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:18,506 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2020-10-14 18:26:18,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 18:26:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2020-10-14 18:26:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 18:26:18,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:18,508 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:18,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 18:26:18,508 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:18,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:18,508 INFO L82 PathProgramCache]: Analyzing trace with hash 713734784, now seen corresponding path program 11 times [2020-10-14 18:26:18,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:18,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12587738] [2020-10-14 18:26:18,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:18,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:18,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:18,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 18:26:18,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-14 18:26:18,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:18,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 18:26:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 18:26:18,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:19,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:26:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:19,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 18:26:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:19,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 18:26:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:19,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:26:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:19,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:19,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:26:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:19,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:26:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:19,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:19,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:19,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 84 proven. 51 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 18:26:19,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12587738] [2020-10-14 18:26:19,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:19,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 18:26:19,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119144810] [2020-10-14 18:26:19,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 18:26:19,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:19,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 18:26:19,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-14 18:26:19,142 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand 18 states. [2020-10-14 18:26:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:19,644 INFO L93 Difference]: Finished difference Result 210 states and 217 transitions. [2020-10-14 18:26:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 18:26:19,645 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 86 [2020-10-14 18:26:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:19,646 INFO L225 Difference]: With dead ends: 210 [2020-10-14 18:26:19,646 INFO L226 Difference]: Without dead ends: 100 [2020-10-14 18:26:19,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2020-10-14 18:26:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-14 18:26:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2020-10-14 18:26:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-14 18:26:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-10-14 18:26:19,656 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 86 [2020-10-14 18:26:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:19,656 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-10-14 18:26:19,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 18:26:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-10-14 18:26:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 18:26:19,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:19,658 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:19,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 18:26:19,658 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:19,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:19,659 INFO L82 PathProgramCache]: Analyzing trace with hash 154807698, now seen corresponding path program 12 times [2020-10-14 18:26:19,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:19,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094549768] [2020-10-14 18:26:19,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 18:26:20,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-14 18:26:20,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 18:26:20,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:20,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 18:26:20,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:20,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:20,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:20,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:20,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:26:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:20,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:20,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:26:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:20,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:26:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:20,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:20,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:26:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:20,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:20,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:26:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:20,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:20,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:26:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:20,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:20,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:20,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:20,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:20,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 142 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 18:26:20,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094549768] [2020-10-14 18:26:20,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:20,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 18:26:20,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261300075] [2020-10-14 18:26:20,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 18:26:20,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:20,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 18:26:20,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-14 18:26:20,579 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 21 states. [2020-10-14 18:26:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:21,735 INFO L93 Difference]: Finished difference Result 107 states and 109 transitions. [2020-10-14 18:26:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 18:26:21,736 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2020-10-14 18:26:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:21,737 INFO L225 Difference]: With dead ends: 107 [2020-10-14 18:26:21,737 INFO L226 Difference]: Without dead ends: 105 [2020-10-14 18:26:21,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=121, Invalid=1285, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 18:26:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-14 18:26:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 101. [2020-10-14 18:26:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-14 18:26:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-10-14 18:26:21,747 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 89 [2020-10-14 18:26:21,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:21,747 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-10-14 18:26:21,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 18:26:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-10-14 18:26:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 18:26:21,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:21,748 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:21,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 18:26:21,749 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:21,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:21,749 INFO L82 PathProgramCache]: Analyzing trace with hash 166994920, now seen corresponding path program 13 times [2020-10-14 18:26:21,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:21,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172254286] [2020-10-14 18:26:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:21,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-14 18:26:22,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-14 18:26:22,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:26:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 18:26:22,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:22,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:22,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:26:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:22,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:26:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:22,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:26:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:22,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:26:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:22,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:26:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:22,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:26:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:22,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:26:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:22,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:22,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:22,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:22,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:22,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:22,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:22,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:22,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 112 proven. 70 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 18:26:22,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172254286] [2020-10-14 18:26:22,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:22,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-14 18:26:22,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084419572] [2020-10-14 18:26:22,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-14 18:26:22,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:22,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-14 18:26:22,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-14 18:26:22,522 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 20 states. [2020-10-14 18:26:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:23,024 INFO L93 Difference]: Finished difference Result 237 states and 244 transitions. [2020-10-14 18:26:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 18:26:23,025 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 97 [2020-10-14 18:26:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:23,027 INFO L225 Difference]: With dead ends: 237 [2020-10-14 18:26:23,027 INFO L226 Difference]: Without dead ends: 111 [2020-10-14 18:26:23,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=619, Unknown=0, NotChecked=0, Total=812 [2020-10-14 18:26:23,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-14 18:26:23,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 104. [2020-10-14 18:26:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 18:26:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 106 transitions. [2020-10-14 18:26:23,042 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 106 transitions. Word has length 97 [2020-10-14 18:26:23,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:23,042 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 106 transitions. [2020-10-14 18:26:23,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-14 18:26:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2020-10-14 18:26:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-14 18:26:23,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:23,044 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:23,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 18:26:23,044 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:23,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:23,045 INFO L82 PathProgramCache]: Analyzing trace with hash -810782314, now seen corresponding path program 14 times [2020-10-14 18:26:23,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:23,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75849384] [2020-10-14 18:26:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:23,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:23,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 18:26:23,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 673 [2020-10-14 18:26:23,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:23,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 18:26:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:23,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 18:26:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:24,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:24,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:24,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:24,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:24,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:24,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:26:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:26:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 18:26:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:26:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:26:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:26:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:24,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:26:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:24,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:24,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:24,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:24,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:24,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:24,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:24,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 14 proven. 190 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 18:26:24,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75849384] [2020-10-14 18:26:24,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:24,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 18:26:24,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343832296] [2020-10-14 18:26:24,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 18:26:24,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:24,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 18:26:24,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:26:24,244 INFO L87 Difference]: Start difference. First operand 104 states and 106 transitions. Second operand 23 states. [2020-10-14 18:26:25,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:25,640 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2020-10-14 18:26:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 18:26:25,641 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 100 [2020-10-14 18:26:25,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:25,642 INFO L225 Difference]: With dead ends: 118 [2020-10-14 18:26:25,643 INFO L226 Difference]: Without dead ends: 116 [2020-10-14 18:26:25,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=139, Invalid=1667, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 18:26:25,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-14 18:26:25,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2020-10-14 18:26:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-14 18:26:25,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2020-10-14 18:26:25,660 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 100 [2020-10-14 18:26:25,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:25,660 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2020-10-14 18:26:25,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 18:26:25,660 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2020-10-14 18:26:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 18:26:25,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:25,662 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:25,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 18:26:25,662 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:25,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1124850708, now seen corresponding path program 15 times [2020-10-14 18:26:25,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:25,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258133789] [2020-10-14 18:26:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 18:26:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-14 18:26:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 18:26:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 18:26:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:26,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:26:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:26:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 18:26:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:26:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:26:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:26:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:26:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:26,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:26:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:26,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:26,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:26,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:26,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:26,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:26,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:26,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:26,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:26,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:26,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:26,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 144 proven. 92 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-14 18:26:26,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258133789] [2020-10-14 18:26:26,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:26,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 18:26:26,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969626802] [2020-10-14 18:26:26,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 18:26:26,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:26,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 18:26:26,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-14 18:26:26,480 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand 22 states. [2020-10-14 18:26:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:26,995 INFO L93 Difference]: Finished difference Result 264 states and 271 transitions. [2020-10-14 18:26:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 18:26:26,996 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2020-10-14 18:26:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:26,997 INFO L225 Difference]: With dead ends: 264 [2020-10-14 18:26:26,997 INFO L226 Difference]: Without dead ends: 122 [2020-10-14 18:26:26,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2020-10-14 18:26:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-14 18:26:27,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 115. [2020-10-14 18:26:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-14 18:26:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2020-10-14 18:26:27,012 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 108 [2020-10-14 18:26:27,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:27,013 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2020-10-14 18:26:27,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 18:26:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2020-10-14 18:26:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-14 18:26:27,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:27,015 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:27,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 18:26:27,016 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:27,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:27,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1572347262, now seen corresponding path program 16 times [2020-10-14 18:26:27,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:27,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57863258] [2020-10-14 18:26:27,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:27,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 18:26:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 18:26:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:28,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:28,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:26:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:26:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:26:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:26:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:26:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:26:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:26:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:26:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:28,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:28,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:28,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:28,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:28,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 16 proven. 245 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-14 18:26:28,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57863258] [2020-10-14 18:26:28,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:28,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 18:26:28,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899708068] [2020-10-14 18:26:28,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 18:26:28,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:28,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 18:26:28,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2020-10-14 18:26:28,202 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 25 states. [2020-10-14 18:26:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:29,733 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2020-10-14 18:26:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 18:26:29,734 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 111 [2020-10-14 18:26:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:29,735 INFO L225 Difference]: With dead ends: 129 [2020-10-14 18:26:29,735 INFO L226 Difference]: Without dead ends: 127 [2020-10-14 18:26:29,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=149, Invalid=1921, Unknown=0, NotChecked=0, Total=2070 [2020-10-14 18:26:29,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-14 18:26:29,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2020-10-14 18:26:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-14 18:26:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2020-10-14 18:26:29,751 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 111 [2020-10-14 18:26:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:29,752 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2020-10-14 18:26:29,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 18:26:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2020-10-14 18:26:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 18:26:29,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:29,753 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:29,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 18:26:29,754 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:29,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:29,754 INFO L82 PathProgramCache]: Analyzing trace with hash 606693332, now seen corresponding path program 17 times [2020-10-14 18:26:29,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:29,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575735387] [2020-10-14 18:26:29,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:29,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 18:26:30,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-14 18:26:30,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 18:26:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 18:26:30,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:30,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:26:30,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:26:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:26:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:26:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:30,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:26:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:26:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:30,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:26:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:26:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:26:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:30,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:26:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:30,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:30,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:30,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:30,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:30,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:30,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:30,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:30,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:30,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 180 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 18:26:30,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575735387] [2020-10-14 18:26:30,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:30,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-14 18:26:30,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608549457] [2020-10-14 18:26:30,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-14 18:26:30,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:30,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-14 18:26:30,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-14 18:26:30,703 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand 24 states. [2020-10-14 18:26:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:31,406 INFO L93 Difference]: Finished difference Result 291 states and 298 transitions. [2020-10-14 18:26:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 18:26:31,406 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 119 [2020-10-14 18:26:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:31,408 INFO L225 Difference]: With dead ends: 291 [2020-10-14 18:26:31,408 INFO L226 Difference]: Without dead ends: 133 [2020-10-14 18:26:31,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 18:26:31,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-14 18:26:31,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 126. [2020-10-14 18:26:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-14 18:26:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2020-10-14 18:26:31,421 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 119 [2020-10-14 18:26:31,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:31,421 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2020-10-14 18:26:31,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-14 18:26:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2020-10-14 18:26:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 18:26:31,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:31,423 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:31,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 18:26:31,423 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:31,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:31,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1464852734, now seen corresponding path program 18 times [2020-10-14 18:26:31,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:31,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557363573] [2020-10-14 18:26:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:31,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 18:26:32,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-10-14 18:26:32,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 18:26:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:32,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-14 18:26:32,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:32,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:32,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:32,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:26:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 18:26:32,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:26:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:32,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:32,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:26:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:32,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 18:26:32,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:32,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:32,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:26:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:32,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:32,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:32,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:26:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:32,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:32,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:32,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:32,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:32,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:32,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:33,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:26:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:33,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:33,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:33,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:33,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:33,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:33,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:33,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:33,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:33,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:33,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:33,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:26:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:33,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:33,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:33,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:33,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:33,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:33,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:26:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:33,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:33,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:33,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:33,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:33,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:33,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:33,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:33,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:33,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:33,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:26:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:33,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:33,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:33,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:33,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:33,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:33,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:33,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 18 proven. 307 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 18:26:33,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557363573] [2020-10-14 18:26:33,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:33,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-14 18:26:33,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667362565] [2020-10-14 18:26:33,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-14 18:26:33,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:33,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-14 18:26:33,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-14 18:26:33,144 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand 27 states. [2020-10-14 18:26:35,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:35,488 INFO L93 Difference]: Finished difference Result 140 states and 142 transitions. [2020-10-14 18:26:35,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 18:26:35,489 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 122 [2020-10-14 18:26:35,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:35,490 INFO L225 Difference]: With dead ends: 140 [2020-10-14 18:26:35,490 INFO L226 Difference]: Without dead ends: 138 [2020-10-14 18:26:35,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=165, Invalid=2385, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 18:26:35,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-14 18:26:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2020-10-14 18:26:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-14 18:26:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2020-10-14 18:26:35,503 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 122 [2020-10-14 18:26:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:35,504 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2020-10-14 18:26:35,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-14 18:26:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2020-10-14 18:26:35,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 18:26:35,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:35,505 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:35,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 18:26:35,505 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:35,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:35,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1361468072, now seen corresponding path program 19 times [2020-10-14 18:26:35,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:35,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028644872] [2020-10-14 18:26:35,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:35,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 18:26:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-14 18:26:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 18:26:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 18:26:36,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:36,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:36,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:36,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:36,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:36,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:36,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:26:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:36,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:36,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:26:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:36,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:36,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:26:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:36,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:26:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:36,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:36,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:26:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:36,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:26:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:36,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:26:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:36,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:26:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:36,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:26:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:36,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:26:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:36,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:36,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:36,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:36,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:36,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:36,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:36,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:36,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 220 proven. 145 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-14 18:26:36,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028644872] [2020-10-14 18:26:36,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:36,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 18:26:36,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014105119] [2020-10-14 18:26:36,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 18:26:36,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:36,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 18:26:36,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-14 18:26:36,753 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand 26 states. [2020-10-14 18:26:37,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:37,482 INFO L93 Difference]: Finished difference Result 318 states and 325 transitions. [2020-10-14 18:26:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 18:26:37,484 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 130 [2020-10-14 18:26:37,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:37,486 INFO L225 Difference]: With dead ends: 318 [2020-10-14 18:26:37,486 INFO L226 Difference]: Without dead ends: 144 [2020-10-14 18:26:37,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 18:26:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-14 18:26:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 137. [2020-10-14 18:26:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-14 18:26:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 139 transitions. [2020-10-14 18:26:37,507 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 139 transitions. Word has length 130 [2020-10-14 18:26:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:37,507 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 139 transitions. [2020-10-14 18:26:37,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 18:26:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 139 transitions. [2020-10-14 18:26:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 18:26:37,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:37,510 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:37,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 18:26:37,510 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:37,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1716107926, now seen corresponding path program 20 times [2020-10-14 18:26:37,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:37,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114755600] [2020-10-14 18:26:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:37,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:38,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:38,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 18:26:38,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893 [2020-10-14 18:26:38,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:38,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 18:26:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 18:26:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:38,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:38,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:38,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:38,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:38,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:26:39,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:26:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:26:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:26:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:26:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:26:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:26:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:26:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:26:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:26:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:39,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:26:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:39,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:39,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:39,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:39,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:39,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:39,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:39,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:39,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:39,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 20 proven. 376 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-14 18:26:39,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114755600] [2020-10-14 18:26:39,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:39,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 18:26:39,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563543310] [2020-10-14 18:26:39,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 18:26:39,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:39,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 18:26:39,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=755, Unknown=0, NotChecked=0, Total=812 [2020-10-14 18:26:39,091 INFO L87 Difference]: Start difference. First operand 137 states and 139 transitions. Second operand 29 states. [2020-10-14 18:26:41,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:41,274 INFO L93 Difference]: Finished difference Result 151 states and 153 transitions. [2020-10-14 18:26:41,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-14 18:26:41,275 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 133 [2020-10-14 18:26:41,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:41,276 INFO L225 Difference]: With dead ends: 151 [2020-10-14 18:26:41,276 INFO L226 Difference]: Without dead ends: 149 [2020-10-14 18:26:41,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=175, Invalid=2687, Unknown=0, NotChecked=0, Total=2862 [2020-10-14 18:26:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-14 18:26:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2020-10-14 18:26:41,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-14 18:26:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 147 transitions. [2020-10-14 18:26:41,290 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 147 transitions. Word has length 133 [2020-10-14 18:26:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:41,290 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 147 transitions. [2020-10-14 18:26:41,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 18:26:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 147 transitions. [2020-10-14 18:26:41,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 18:26:41,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:41,292 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:41,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 18:26:41,292 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:41,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:41,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1641618496, now seen corresponding path program 21 times [2020-10-14 18:26:41,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:41,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55810730] [2020-10-14 18:26:41,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:41,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 18:26:42,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 822 [2020-10-14 18:26:42,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 18:26:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-14 18:26:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:42,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:26:42,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:26:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:26:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:26:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:26:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:42,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:26:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:26:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:26:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:26:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:42,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:26:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:42,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:26:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:42,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:26:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:42,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:42,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:42,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:42,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:42,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 264 proven. 176 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-14 18:26:42,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55810730] [2020-10-14 18:26:42,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:42,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-14 18:26:42,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830191293] [2020-10-14 18:26:42,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 18:26:42,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:42,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 18:26:42,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-14 18:26:42,571 INFO L87 Difference]: Start difference. First operand 145 states and 147 transitions. Second operand 28 states. [2020-10-14 18:26:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:43,299 INFO L93 Difference]: Finished difference Result 345 states and 352 transitions. [2020-10-14 18:26:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 18:26:43,299 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 141 [2020-10-14 18:26:43,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:43,303 INFO L225 Difference]: With dead ends: 345 [2020-10-14 18:26:43,303 INFO L226 Difference]: Without dead ends: 155 [2020-10-14 18:26:43,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=381, Invalid=1259, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 18:26:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-14 18:26:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 148. [2020-10-14 18:26:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-14 18:26:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 150 transitions. [2020-10-14 18:26:43,330 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 150 transitions. Word has length 141 [2020-10-14 18:26:43,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:43,330 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 150 transitions. [2020-10-14 18:26:43,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 18:26:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 150 transitions. [2020-10-14 18:26:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-14 18:26:43,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:43,336 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:43,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 18:26:43,336 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:43,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:43,337 INFO L82 PathProgramCache]: Analyzing trace with hash 597943406, now seen corresponding path program 22 times [2020-10-14 18:26:43,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:43,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628351259] [2020-10-14 18:26:43,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 18:26:44,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 927 [2020-10-14 18:26:44,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 18:26:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 18:26:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:44,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:44,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:44,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:26:44,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:26:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:26:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:44,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:44,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:26:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:44,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:26:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:44,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:26:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:44,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:26:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:44,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:26:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:44,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:44,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:44,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:26:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:44,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:44,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:44,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:45,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:45,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:45,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:26:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:45,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:45,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:45,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:45,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:45,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:45,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:26:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:45,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:45,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:45,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:45,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:45,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:26:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:45,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:45,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:45,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:45,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:45,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:45,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:45,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 22 proven. 452 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-14 18:26:45,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628351259] [2020-10-14 18:26:45,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:45,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 18:26:45,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129735190] [2020-10-14 18:26:45,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 18:26:45,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:45,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 18:26:45,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-14 18:26:45,068 INFO L87 Difference]: Start difference. First operand 148 states and 150 transitions. Second operand 31 states. [2020-10-14 18:26:47,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:47,714 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2020-10-14 18:26:47,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-14 18:26:47,714 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 144 [2020-10-14 18:26:47,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:47,716 INFO L225 Difference]: With dead ends: 162 [2020-10-14 18:26:47,716 INFO L226 Difference]: Without dead ends: 160 [2020-10-14 18:26:47,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=191, Invalid=3231, Unknown=0, NotChecked=0, Total=3422 [2020-10-14 18:26:47,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-14 18:26:47,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2020-10-14 18:26:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-14 18:26:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 158 transitions. [2020-10-14 18:26:47,729 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 158 transitions. Word has length 144 [2020-10-14 18:26:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:47,729 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 158 transitions. [2020-10-14 18:26:47,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 18:26:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 158 transitions. [2020-10-14 18:26:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-14 18:26:47,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:47,731 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:47,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 18:26:47,731 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:47,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:47,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1122550076, now seen corresponding path program 23 times [2020-10-14 18:26:47,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:47,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503612359] [2020-10-14 18:26:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:48,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-14 18:26:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 18:26:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:48,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:48,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:48,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:48,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:48,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:48,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:48,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:48,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:48,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:48,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:48,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:48,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:48,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:48,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:48,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:48,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:26:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:48,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:48,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:48,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:48,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:48,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:48,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:26:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:48,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:48,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:48,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:26:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:26:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:26:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:49,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:49,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:26:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:26:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:26:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:26:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:26:49,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:26:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:49,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:26:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 18:26:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:49,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:49,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:49,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:49,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:49,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 312 proven. 210 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-14 18:26:49,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503612359] [2020-10-14 18:26:49,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:49,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 18:26:49,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382326947] [2020-10-14 18:26:49,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 18:26:49,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:49,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 18:26:49,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-14 18:26:49,088 INFO L87 Difference]: Start difference. First operand 156 states and 158 transitions. Second operand 30 states. [2020-10-14 18:26:49,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:49,977 INFO L93 Difference]: Finished difference Result 372 states and 379 transitions. [2020-10-14 18:26:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 18:26:49,978 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 152 [2020-10-14 18:26:49,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:49,981 INFO L225 Difference]: With dead ends: 372 [2020-10-14 18:26:49,981 INFO L226 Difference]: Without dead ends: 166 [2020-10-14 18:26:49,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=438, Invalid=1454, Unknown=0, NotChecked=0, Total=1892 [2020-10-14 18:26:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-14 18:26:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 159. [2020-10-14 18:26:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-14 18:26:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 161 transitions. [2020-10-14 18:26:49,995 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 161 transitions. Word has length 152 [2020-10-14 18:26:49,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:49,995 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 161 transitions. [2020-10-14 18:26:49,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 18:26:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 161 transitions. [2020-10-14 18:26:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-14 18:26:49,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:49,997 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:49,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 18:26:49,997 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:49,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:49,998 INFO L82 PathProgramCache]: Analyzing trace with hash 305702230, now seen corresponding path program 24 times [2020-10-14 18:26:49,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:49,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747010584] [2020-10-14 18:26:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:50,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:50,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 18:26:50,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:50,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-14 18:26:50,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:50,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:50,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 18:26:50,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:50,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 18:26:50,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:51,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:51,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:51,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:51,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:26:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:26:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:26:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:26:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:26:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:26:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:51,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:26:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:26:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 18:26:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 18:26:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 18:26:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 18:26:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:51,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:51,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:51,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 24 proven. 535 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-14 18:26:51,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747010584] [2020-10-14 18:26:51,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:51,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 18:26:51,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875803261] [2020-10-14 18:26:51,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 18:26:51,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:51,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 18:26:51,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 18:26:51,786 INFO L87 Difference]: Start difference. First operand 159 states and 161 transitions. Second operand 33 states. [2020-10-14 18:26:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:54,755 INFO L93 Difference]: Finished difference Result 173 states and 175 transitions. [2020-10-14 18:26:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-14 18:26:54,757 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 155 [2020-10-14 18:26:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:54,758 INFO L225 Difference]: With dead ends: 173 [2020-10-14 18:26:54,758 INFO L226 Difference]: Without dead ends: 171 [2020-10-14 18:26:54,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=204, Invalid=3702, Unknown=0, NotChecked=0, Total=3906 [2020-10-14 18:26:54,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-14 18:26:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2020-10-14 18:26:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-14 18:26:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2020-10-14 18:26:54,772 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 155 [2020-10-14 18:26:54,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:54,773 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2020-10-14 18:26:54,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 18:26:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2020-10-14 18:26:54,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 18:26:54,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:54,774 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:54,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 18:26:54,775 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:54,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:54,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1997498452, now seen corresponding path program 25 times [2020-10-14 18:26:54,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:54,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053249562] [2020-10-14 18:26:54,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:54,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:55,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:55,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 18:26:55,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:55,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 708 [2020-10-14 18:26:55,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:55,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:55,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 18:26:55,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:55,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 18:26:55,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:56,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:56,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:56,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:56,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:56,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:56,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:26:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:26:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:26:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:26:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:26:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:26:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:26:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:26:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:26:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 18:26:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 18:26:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 18:26:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 18:26:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:26:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 18:26:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:56,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:56,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 364 proven. 247 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-14 18:26:56,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053249562] [2020-10-14 18:26:56,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:56,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-14 18:26:56,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900986420] [2020-10-14 18:26:56,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-14 18:26:56,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:56,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-14 18:26:56,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-14 18:26:56,227 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand 32 states. [2020-10-14 18:26:57,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:26:57,347 INFO L93 Difference]: Finished difference Result 399 states and 406 transitions. [2020-10-14 18:26:57,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-14 18:26:57,348 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 163 [2020-10-14 18:26:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:26:57,350 INFO L225 Difference]: With dead ends: 399 [2020-10-14 18:26:57,350 INFO L226 Difference]: Without dead ends: 177 [2020-10-14 18:26:57,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 18:26:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-14 18:26:57,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 170. [2020-10-14 18:26:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-14 18:26:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 172 transitions. [2020-10-14 18:26:57,378 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 172 transitions. Word has length 163 [2020-10-14 18:26:57,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:26:57,378 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 172 transitions. [2020-10-14 18:26:57,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-14 18:26:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 172 transitions. [2020-10-14 18:26:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-14 18:26:57,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:26:57,379 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:26:57,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 18:26:57,380 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:26:57,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:26:57,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1872510502, now seen corresponding path program 26 times [2020-10-14 18:26:57,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:26:57,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888171404] [2020-10-14 18:26:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:26:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:57,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:58,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:58,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-14 18:26:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:58,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-14 18:26:58,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:58,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 18:26:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:26:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 18:26:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:26:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:59,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:26:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:26:59,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:26:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:26:59,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:26:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:26:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:26:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:26:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:26:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 18:26:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 18:26:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 18:26:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 18:26:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 18:26:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 18:26:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-14 18:26:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-14 18:26:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:26:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:26:59,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:26:59,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:26:59,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:26:59,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:26:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 26 proven. 625 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-14 18:26:59,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888171404] [2020-10-14 18:26:59,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:26:59,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 18:26:59,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962216766] [2020-10-14 18:26:59,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 18:26:59,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:26:59,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 18:26:59,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 18:26:59,430 INFO L87 Difference]: Start difference. First operand 170 states and 172 transitions. Second operand 35 states. [2020-10-14 18:27:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:02,801 INFO L93 Difference]: Finished difference Result 184 states and 186 transitions. [2020-10-14 18:27:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-14 18:27:02,802 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 166 [2020-10-14 18:27:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:02,804 INFO L225 Difference]: With dead ends: 184 [2020-10-14 18:27:02,804 INFO L226 Difference]: Without dead ends: 182 [2020-10-14 18:27:02,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=217, Invalid=4205, Unknown=0, NotChecked=0, Total=4422 [2020-10-14 18:27:02,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-14 18:27:02,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2020-10-14 18:27:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-14 18:27:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 180 transitions. [2020-10-14 18:27:02,824 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 180 transitions. Word has length 166 [2020-10-14 18:27:02,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:02,826 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 180 transitions. [2020-10-14 18:27:02,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 18:27:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 180 transitions. [2020-10-14 18:27:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-14 18:27:02,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:02,828 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:02,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 18:27:02,828 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:02,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:02,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1685524432, now seen corresponding path program 27 times [2020-10-14 18:27:02,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:02,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059813620] [2020-10-14 18:27:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:02,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 916 [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 18:27:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-14 18:27:03,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:04,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:04,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:04,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:27:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:04,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:27:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:27:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:04,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:27:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:04,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:04,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:27:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 18:27:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 18:27:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 18:27:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 18:27:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 18:27:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:27:04,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 18:27:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-14 18:27:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-14 18:27:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:04,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:04,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-14 18:27:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:04,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:04,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:04,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:04,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:04,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 420 proven. 287 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-14 18:27:04,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059813620] [2020-10-14 18:27:04,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:04,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-14 18:27:04,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378976559] [2020-10-14 18:27:04,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-14 18:27:04,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:04,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-14 18:27:04,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 18:27:04,471 INFO L87 Difference]: Start difference. First operand 178 states and 180 transitions. Second operand 34 states. [2020-10-14 18:27:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:05,525 INFO L93 Difference]: Finished difference Result 426 states and 433 transitions. [2020-10-14 18:27:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 18:27:05,526 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 174 [2020-10-14 18:27:05,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:05,528 INFO L225 Difference]: With dead ends: 426 [2020-10-14 18:27:05,529 INFO L226 Difference]: Without dead ends: 188 [2020-10-14 18:27:05,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 18:27:05,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-14 18:27:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-14 18:27:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-14 18:27:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 183 transitions. [2020-10-14 18:27:05,542 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 183 transitions. Word has length 174 [2020-10-14 18:27:05,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:05,542 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 183 transitions. [2020-10-14 18:27:05,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-14 18:27:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 183 transitions. [2020-10-14 18:27:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-14 18:27:05,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:05,544 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:05,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 18:27:05,544 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:05,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:05,545 INFO L82 PathProgramCache]: Analyzing trace with hash 88292674, now seen corresponding path program 28 times [2020-10-14 18:27:05,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:05,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916241986] [2020-10-14 18:27:05,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:05,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:06,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:06,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 18:27:06,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:06,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-14 18:27:06,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:06,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 18:27:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-14 18:27:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:07,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:07,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:07,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:27:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:27:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:27:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:27:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:27:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:07,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:27:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:27:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:27:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:27:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 18:27:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 18:27:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 18:27:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 18:27:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 18:27:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:07,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:07,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:07,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 28 proven. 722 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-14 18:27:07,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916241986] [2020-10-14 18:27:07,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:07,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 18:27:07,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016047915] [2020-10-14 18:27:07,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 18:27:07,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:07,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 18:27:07,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 18:27:07,796 INFO L87 Difference]: Start difference. First operand 181 states and 183 transitions. Second operand 37 states. [2020-10-14 18:27:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:11,631 INFO L93 Difference]: Finished difference Result 195 states and 197 transitions. [2020-10-14 18:27:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-14 18:27:11,631 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 177 [2020-10-14 18:27:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:11,634 INFO L225 Difference]: With dead ends: 195 [2020-10-14 18:27:11,634 INFO L226 Difference]: Without dead ends: 193 [2020-10-14 18:27:11,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=230, Invalid=4740, Unknown=0, NotChecked=0, Total=4970 [2020-10-14 18:27:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-14 18:27:11,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 189. [2020-10-14 18:27:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-14 18:27:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 191 transitions. [2020-10-14 18:27:11,650 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 191 transitions. Word has length 177 [2020-10-14 18:27:11,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:11,650 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 191 transitions. [2020-10-14 18:27:11,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 18:27:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 191 transitions. [2020-10-14 18:27:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 18:27:11,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:11,651 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:11,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 18:27:11,651 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash -561347688, now seen corresponding path program 29 times [2020-10-14 18:27:11,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:11,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521736655] [2020-10-14 18:27:11,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:12,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:12,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1132 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-14 18:27:12,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:13,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:27:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:27:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:27:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:27:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:27:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:27:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:27:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:27:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:27:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 18:27:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 18:27:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 18:27:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 18:27:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 18:27:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 18:27:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:13,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:13,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:13,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:13,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:13,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:13,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:13,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:13,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:13,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:13,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 480 proven. 330 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-14 18:27:13,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521736655] [2020-10-14 18:27:13,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:13,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-14 18:27:13,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095175963] [2020-10-14 18:27:13,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-14 18:27:13,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:13,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-14 18:27:13,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 18:27:13,454 INFO L87 Difference]: Start difference. First operand 189 states and 191 transitions. Second operand 36 states. [2020-10-14 18:27:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:14,545 INFO L93 Difference]: Finished difference Result 453 states and 460 transitions. [2020-10-14 18:27:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 18:27:14,546 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 185 [2020-10-14 18:27:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:14,548 INFO L225 Difference]: With dead ends: 453 [2020-10-14 18:27:14,549 INFO L226 Difference]: Without dead ends: 199 [2020-10-14 18:27:14,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=633, Invalid=2123, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 18:27:14,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-14 18:27:14,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 192. [2020-10-14 18:27:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-14 18:27:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2020-10-14 18:27:14,564 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 185 [2020-10-14 18:27:14,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:14,565 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2020-10-14 18:27:14,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-14 18:27:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2020-10-14 18:27:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-14 18:27:14,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:14,566 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:14,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 18:27:14,566 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:14,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:14,567 INFO L82 PathProgramCache]: Analyzing trace with hash -171198650, now seen corresponding path program 30 times [2020-10-14 18:27:14,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:14,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700814152] [2020-10-14 18:27:14,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:14,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:15,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:15,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 18:27:15,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:15,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1286 [2020-10-14 18:27:15,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:15,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:15,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 18:27:15,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:15,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-14 18:27:15,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:16,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:16,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:27:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:27:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:27:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:27:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:27:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:27:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 18:27:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 18:27:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 18:27:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 18:27:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 18:27:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 18:27:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 18:27:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 18:27:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-14 18:27:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:16,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:16,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 30 proven. 826 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-14 18:27:17,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700814152] [2020-10-14 18:27:17,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:17,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-14 18:27:17,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485882640] [2020-10-14 18:27:17,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-14 18:27:17,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:17,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-14 18:27:17,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1405, Unknown=0, NotChecked=0, Total=1482 [2020-10-14 18:27:17,025 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand 39 states. [2020-10-14 18:27:21,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:21,215 INFO L93 Difference]: Finished difference Result 206 states and 208 transitions. [2020-10-14 18:27:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-14 18:27:21,215 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 188 [2020-10-14 18:27:21,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:21,220 INFO L225 Difference]: With dead ends: 206 [2020-10-14 18:27:21,220 INFO L226 Difference]: Without dead ends: 204 [2020-10-14 18:27:21,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=240, Invalid=5162, Unknown=0, NotChecked=0, Total=5402 [2020-10-14 18:27:21,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-10-14 18:27:21,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 200. [2020-10-14 18:27:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-14 18:27:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 202 transitions. [2020-10-14 18:27:21,243 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 202 transitions. Word has length 188 [2020-10-14 18:27:21,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:21,243 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 202 transitions. [2020-10-14 18:27:21,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-14 18:27:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 202 transitions. [2020-10-14 18:27:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-14 18:27:21,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:21,246 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:21,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 18:27:21,246 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:21,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:21,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1257588324, now seen corresponding path program 31 times [2020-10-14 18:27:21,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:21,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917880495] [2020-10-14 18:27:21,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:21,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:22,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:22,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1214 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-14 18:27:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:27:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:27:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:27:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:27:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:27:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:27:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 18:27:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 18:27:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 18:27:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 18:27:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 18:27:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 18:27:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 18:27:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 18:27:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-14 18:27:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-14 18:27:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:23,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 544 proven. 376 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-14 18:27:23,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917880495] [2020-10-14 18:27:23,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:23,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-14 18:27:23,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050711013] [2020-10-14 18:27:23,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-14 18:27:23,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:23,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-14 18:27:23,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 18:27:23,229 INFO L87 Difference]: Start difference. First operand 200 states and 202 transitions. Second operand 38 states. [2020-10-14 18:27:24,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:24,534 INFO L93 Difference]: Finished difference Result 480 states and 487 transitions. [2020-10-14 18:27:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 18:27:24,535 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 196 [2020-10-14 18:27:24,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:24,537 INFO L225 Difference]: With dead ends: 480 [2020-10-14 18:27:24,537 INFO L226 Difference]: Without dead ends: 210 [2020-10-14 18:27:24,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=706, Invalid=2374, Unknown=0, NotChecked=0, Total=3080 [2020-10-14 18:27:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-14 18:27:24,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 203. [2020-10-14 18:27:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-14 18:27:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2020-10-14 18:27:24,555 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 196 [2020-10-14 18:27:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:24,555 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2020-10-14 18:27:24,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-14 18:27:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2020-10-14 18:27:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 18:27:24,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:24,557 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:24,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 18:27:24,557 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:24,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:24,558 INFO L82 PathProgramCache]: Analyzing trace with hash -640021202, now seen corresponding path program 32 times [2020-10-14 18:27:24,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:24,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62990072] [2020-10-14 18:27:24,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:24,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:26,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:26,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-14 18:27:26,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:26,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1481 [2020-10-14 18:27:26,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:26,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 18:27:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-14 18:27:26,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:27,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:27,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:27:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:27:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:27:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:27:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:27:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:27:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 18:27:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 18:27:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 18:27:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 18:27:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 18:27:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 18:27:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 18:27:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 18:27:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 18:27:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 18:27:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:27,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 32 proven. 937 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-14 18:27:27,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62990072] [2020-10-14 18:27:27,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:27,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-14 18:27:27,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438523240] [2020-10-14 18:27:27,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-14 18:27:27,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:27,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-14 18:27:27,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 18:27:27,360 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand 41 states. [2020-10-14 18:27:32,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:32,106 INFO L93 Difference]: Finished difference Result 217 states and 219 transitions. [2020-10-14 18:27:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-14 18:27:32,107 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 199 [2020-10-14 18:27:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:32,109 INFO L225 Difference]: With dead ends: 217 [2020-10-14 18:27:32,109 INFO L226 Difference]: Without dead ends: 215 [2020-10-14 18:27:32,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=256, Invalid=5906, Unknown=0, NotChecked=0, Total=6162 [2020-10-14 18:27:32,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-14 18:27:32,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211. [2020-10-14 18:27:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-14 18:27:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 213 transitions. [2020-10-14 18:27:32,128 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 213 transitions. Word has length 199 [2020-10-14 18:27:32,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:32,129 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 213 transitions. [2020-10-14 18:27:32,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-14 18:27:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 213 transitions. [2020-10-14 18:27:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 18:27:32,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:32,130 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:32,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 18:27:32,131 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:32,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:32,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1040668796, now seen corresponding path program 33 times [2020-10-14 18:27:32,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:32,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5381517] [2020-10-14 18:27:32,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:32,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:33,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 18:27:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1294 [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-14 18:27:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:34,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:34,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:34,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:34,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:34,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:27:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:27:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:27:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:27:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:27:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:27:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 18:27:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 18:27:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 18:27:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 18:27:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 18:27:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 18:27:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 18:27:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 18:27:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 18:27:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 18:27:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 18:27:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:34,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:34,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:34,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:34,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:34,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 612 proven. 425 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-14 18:27:34,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5381517] [2020-10-14 18:27:34,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:34,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-14 18:27:34,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111990399] [2020-10-14 18:27:34,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-14 18:27:34,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:34,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-14 18:27:34,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1177, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 18:27:34,299 INFO L87 Difference]: Start difference. First operand 211 states and 213 transitions. Second operand 40 states. [2020-10-14 18:27:35,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:35,846 INFO L93 Difference]: Finished difference Result 507 states and 514 transitions. [2020-10-14 18:27:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-14 18:27:35,846 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 207 [2020-10-14 18:27:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:35,848 INFO L225 Difference]: With dead ends: 507 [2020-10-14 18:27:35,848 INFO L226 Difference]: Without dead ends: 221 [2020-10-14 18:27:35,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=783, Invalid=2639, Unknown=0, NotChecked=0, Total=3422 [2020-10-14 18:27:35,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-14 18:27:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 214. [2020-10-14 18:27:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-14 18:27:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 216 transitions. [2020-10-14 18:27:35,872 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 216 transitions. Word has length 207 [2020-10-14 18:27:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:35,873 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 216 transitions. [2020-10-14 18:27:35,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-14 18:27:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 216 transitions. [2020-10-14 18:27:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-14 18:27:35,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:35,876 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:35,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 18:27:35,876 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:35,877 INFO L82 PathProgramCache]: Analyzing trace with hash -776485710, now seen corresponding path program 34 times [2020-10-14 18:27:35,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:35,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307817921] [2020-10-14 18:27:35,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:35,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:38,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2363 [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 18:27:38,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:38,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-14 18:27:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:39,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:39,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:27:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:27:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:27:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:27:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:27:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:27:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:27:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 18:27:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 18:27:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 18:27:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 18:27:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-14 18:27:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-14 18:27:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 18:27:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-14 18:27:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-14 18:27:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:39,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-14 18:27:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:39,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:39,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 34 proven. 1055 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-14 18:27:40,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307817921] [2020-10-14 18:27:40,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:40,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-14 18:27:40,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335275606] [2020-10-14 18:27:40,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-14 18:27:40,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:40,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-14 18:27:40,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 18:27:40,042 INFO L87 Difference]: Start difference. First operand 214 states and 216 transitions. Second operand 43 states. [2020-10-14 18:27:45,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:45,662 INFO L93 Difference]: Finished difference Result 228 states and 230 transitions. [2020-10-14 18:27:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-14 18:27:45,663 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 210 [2020-10-14 18:27:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:45,665 INFO L225 Difference]: With dead ends: 228 [2020-10-14 18:27:45,666 INFO L226 Difference]: Without dead ends: 226 [2020-10-14 18:27:45,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=269, Invalid=6537, Unknown=0, NotChecked=0, Total=6806 [2020-10-14 18:27:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-14 18:27:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2020-10-14 18:27:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-14 18:27:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 224 transitions. [2020-10-14 18:27:45,685 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 224 transitions. Word has length 210 [2020-10-14 18:27:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:45,685 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 224 transitions. [2020-10-14 18:27:45,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-14 18:27:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 224 transitions. [2020-10-14 18:27:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 18:27:45,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:45,687 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:45,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-14 18:27:45,687 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:45,688 INFO L82 PathProgramCache]: Analyzing trace with hash -344417528, now seen corresponding path program 35 times [2020-10-14 18:27:45,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:45,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159618490] [2020-10-14 18:27:45,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:47,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-14 18:27:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1754 [2020-10-14 18:27:47,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:47,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-14 18:27:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 238 [2020-10-14 18:27:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:48,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:48,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:48,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:48,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:48,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:48,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:27:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:27:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:27:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:27:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:27:48,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:27:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:27:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:27:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:48,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:48,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 18:27:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 18:27:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 18:27:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 18:27:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-14 18:27:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-14 18:27:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 18:27:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-14 18:27:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-14 18:27:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-14 18:27:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-14 18:27:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:48,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:48,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:48,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:48,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:48,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:27:48,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:48,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:48,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:27:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 615 proven. 546 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-14 18:27:48,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159618490] [2020-10-14 18:27:48,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:48,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-14 18:27:48,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514491745] [2020-10-14 18:27:48,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-14 18:27:48,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:48,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-14 18:27:48,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=1297, Unknown=0, NotChecked=0, Total=1722 [2020-10-14 18:27:48,705 INFO L87 Difference]: Start difference. First operand 222 states and 224 transitions. Second operand 42 states. [2020-10-14 18:27:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:50,176 INFO L93 Difference]: Finished difference Result 534 states and 541 transitions. [2020-10-14 18:27:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-14 18:27:50,177 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 218 [2020-10-14 18:27:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:50,179 INFO L225 Difference]: With dead ends: 534 [2020-10-14 18:27:50,180 INFO L226 Difference]: Without dead ends: 232 [2020-10-14 18:27:50,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=825, Invalid=2835, Unknown=0, NotChecked=0, Total=3660 [2020-10-14 18:27:50,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-14 18:27:50,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 225. [2020-10-14 18:27:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-14 18:27:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 227 transitions. [2020-10-14 18:27:50,196 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 227 transitions. Word has length 218 [2020-10-14 18:27:50,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:50,196 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 227 transitions. [2020-10-14 18:27:50,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-14 18:27:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 227 transitions. [2020-10-14 18:27:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-14 18:27:50,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:50,198 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:50,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-14 18:27:50,198 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:50,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:50,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1610683674, now seen corresponding path program 36 times [2020-10-14 18:27:50,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:50,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088521112] [2020-10-14 18:27:50,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:50,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:52,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:52,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 18:27:52,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1968 [2020-10-14 18:27:52,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:52,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 18:27:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:27:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-14 18:27:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:27:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:27:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 18:27:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:27:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:27:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:27:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:27:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:27:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:27:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:27:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:27:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:27:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:27:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:27:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:27:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:27:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 18:27:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 18:27:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 18:27:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 18:27:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 18:27:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-14 18:27:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 18:27:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:53,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:27:53,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:27:53,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:27:53,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:27:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:27:53,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:27:53,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:27:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:27:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:27:53,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:27:53,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:27:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 36 proven. 1180 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-14 18:27:53,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088521112] [2020-10-14 18:27:53,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:27:53,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-14 18:27:53,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959755524] [2020-10-14 18:27:53,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-14 18:27:53,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:27:53,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-14 18:27:53,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 18:27:53,896 INFO L87 Difference]: Start difference. First operand 225 states and 227 transitions. Second operand 45 states. [2020-10-14 18:27:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:27:59,676 INFO L93 Difference]: Finished difference Result 239 states and 241 transitions. [2020-10-14 18:27:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-14 18:27:59,678 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 221 [2020-10-14 18:27:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:27:59,679 INFO L225 Difference]: With dead ends: 239 [2020-10-14 18:27:59,679 INFO L226 Difference]: Without dead ends: 237 [2020-10-14 18:27:59,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=282, Invalid=7200, Unknown=0, NotChecked=0, Total=7482 [2020-10-14 18:27:59,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-14 18:27:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2020-10-14 18:27:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-14 18:27:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 235 transitions. [2020-10-14 18:27:59,702 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 235 transitions. Word has length 221 [2020-10-14 18:27:59,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:27:59,702 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 235 transitions. [2020-10-14 18:27:59,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-14 18:27:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 235 transitions. [2020-10-14 18:27:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-14 18:27:59,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:27:59,704 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:27:59,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-14 18:27:59,704 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:27:59,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:27:59,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1086389392, now seen corresponding path program 37 times [2020-10-14 18:27:59,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:27:59,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686061491] [2020-10-14 18:27:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:27:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:27:59,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:01,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1590 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 18:28:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:02,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:28:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:28:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:28:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:28:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:28:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:28:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:28:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:28:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:28:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:28:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:28:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 18:28:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 18:28:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 18:28:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 18:28:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 18:28:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-14 18:28:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 18:28:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-14 18:28:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:02,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:02,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:02,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 760 proven. 532 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-14 18:28:02,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686061491] [2020-10-14 18:28:02,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:02,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-14 18:28:02,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215911600] [2020-10-14 18:28:02,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-14 18:28:02,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:02,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-14 18:28:02,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-14 18:28:02,326 INFO L87 Difference]: Start difference. First operand 233 states and 235 transitions. Second operand 44 states. [2020-10-14 18:28:03,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:03,960 INFO L93 Difference]: Finished difference Result 561 states and 568 transitions. [2020-10-14 18:28:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-14 18:28:03,961 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 229 [2020-10-14 18:28:03,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:03,962 INFO L225 Difference]: With dead ends: 561 [2020-10-14 18:28:03,962 INFO L226 Difference]: Without dead ends: 243 [2020-10-14 18:28:03,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=949, Invalid=3211, Unknown=0, NotChecked=0, Total=4160 [2020-10-14 18:28:03,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-14 18:28:03,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 236. [2020-10-14 18:28:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-14 18:28:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2020-10-14 18:28:03,983 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 229 [2020-10-14 18:28:03,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:03,983 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2020-10-14 18:28:03,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-14 18:28:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2020-10-14 18:28:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 18:28:03,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:03,985 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:03,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-14 18:28:03,985 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:03,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:03,986 INFO L82 PathProgramCache]: Analyzing trace with hash -654054882, now seen corresponding path program 38 times [2020-10-14 18:28:03,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:03,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256831161] [2020-10-14 18:28:03,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:06,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:06,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-14 18:28:06,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2289 [2020-10-14 18:28:06,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:06,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 18:28:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-14 18:28:06,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:07,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:07,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:28:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:28:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:28:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:28:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:28:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:28:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:28:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:28:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:28:07,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:28:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 18:28:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:28:07,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 18:28:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-14 18:28:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:28:07,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-14 18:28:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-14 18:28:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:28:07,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-14 18:28:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:28:07,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-14 18:28:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:07,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:07,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:07,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:07,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:07,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-14 18:28:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:08,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:08,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:08,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:08,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:08,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:08,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:08,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:08,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-14 18:28:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:08,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:08,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:08,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:08,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:08,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:08,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:08,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:08,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-14 18:28:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:08,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:08,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:08,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:08,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:28:08,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:08,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:08,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 18:28:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:08,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:08,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:08,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:08,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:28:08,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:08,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:08,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:08,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 38 proven. 1312 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-14 18:28:08,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256831161] [2020-10-14 18:28:08,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:08,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-14 18:28:08,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390597823] [2020-10-14 18:28:08,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-14 18:28:08,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:08,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-14 18:28:08,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 18:28:08,139 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand 47 states. [2020-10-14 18:28:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:14,400 INFO L93 Difference]: Finished difference Result 250 states and 252 transitions. [2020-10-14 18:28:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-14 18:28:14,401 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 232 [2020-10-14 18:28:14,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:14,403 INFO L225 Difference]: With dead ends: 250 [2020-10-14 18:28:14,403 INFO L226 Difference]: Without dead ends: 248 [2020-10-14 18:28:14,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=295, Invalid=7895, Unknown=0, NotChecked=0, Total=8190 [2020-10-14 18:28:14,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-14 18:28:14,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-10-14 18:28:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-14 18:28:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 246 transitions. [2020-10-14 18:28:14,424 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 246 transitions. Word has length 232 [2020-10-14 18:28:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:14,424 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 246 transitions. [2020-10-14 18:28:14,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-14 18:28:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 246 transitions. [2020-10-14 18:28:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 18:28:14,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:14,426 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:14,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-14 18:28:14,426 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:14,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1471059060, now seen corresponding path program 39 times [2020-10-14 18:28:14,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:14,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844654172] [2020-10-14 18:28:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:14,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:16,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:16,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-14 18:28:16,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:16,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1903 [2020-10-14 18:28:16,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:16,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:16,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-14 18:28:16,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:16,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-14 18:28:16,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:17,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:17,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:17,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:28:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:28:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:28:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:28:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:28:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:28:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:28:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:28:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 18:28:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 18:28:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-14 18:28:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-14 18:28:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-14 18:28:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-14 18:28:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-14 18:28:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-14 18:28:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-14 18:28:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-14 18:28:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 18:28:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 18:28:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:17,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:17,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:17,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:17,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 840 proven. 590 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-14 18:28:17,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844654172] [2020-10-14 18:28:17,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:17,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-14 18:28:17,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176401354] [2020-10-14 18:28:17,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-14 18:28:17,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:17,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-14 18:28:17,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1561, Unknown=0, NotChecked=0, Total=2070 [2020-10-14 18:28:17,439 INFO L87 Difference]: Start difference. First operand 244 states and 246 transitions. Second operand 46 states. [2020-10-14 18:28:19,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:19,307 INFO L93 Difference]: Finished difference Result 588 states and 595 transitions. [2020-10-14 18:28:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-14 18:28:19,308 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 240 [2020-10-14 18:28:19,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:19,310 INFO L225 Difference]: With dead ends: 588 [2020-10-14 18:28:19,310 INFO L226 Difference]: Without dead ends: 254 [2020-10-14 18:28:19,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1038, Invalid=3518, Unknown=0, NotChecked=0, Total=4556 [2020-10-14 18:28:19,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-14 18:28:19,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 247. [2020-10-14 18:28:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-14 18:28:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 249 transitions. [2020-10-14 18:28:19,329 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 249 transitions. Word has length 240 [2020-10-14 18:28:19,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:19,329 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 249 transitions. [2020-10-14 18:28:19,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-14 18:28:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 249 transitions. [2020-10-14 18:28:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 18:28:19,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:19,330 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:19,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-14 18:28:19,330 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:19,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:19,331 INFO L82 PathProgramCache]: Analyzing trace with hash 280777990, now seen corresponding path program 40 times [2020-10-14 18:28:19,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:19,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663215659] [2020-10-14 18:28:19,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:19,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:21,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:21,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-14 18:28:21,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:21,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2243 [2020-10-14 18:28:21,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:21,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:21,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-14 18:28:21,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:21,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-10-14 18:28:21,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:23,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:23,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:23,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:28:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:28:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:28:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:28:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:28:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 18:28:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 18:28:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 18:28:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 18:28:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 18:28:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 18:28:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 18:28:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-14 18:28:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-14 18:28:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-14 18:28:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 18:28:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-14 18:28:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-14 18:28:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-14 18:28:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-14 18:28:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:23,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:23,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:23,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:23,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:23,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:23,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:23,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 40 proven. 1451 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-14 18:28:23,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663215659] [2020-10-14 18:28:23,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:23,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-14 18:28:23,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046424502] [2020-10-14 18:28:23,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-14 18:28:23,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:23,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-14 18:28:23,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 18:28:23,536 INFO L87 Difference]: Start difference. First operand 247 states and 249 transitions. Second operand 49 states. [2020-10-14 18:28:30,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:30,375 INFO L93 Difference]: Finished difference Result 261 states and 263 transitions. [2020-10-14 18:28:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-14 18:28:30,376 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 243 [2020-10-14 18:28:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:30,378 INFO L225 Difference]: With dead ends: 261 [2020-10-14 18:28:30,378 INFO L226 Difference]: Without dead ends: 259 [2020-10-14 18:28:30,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=308, Invalid=8622, Unknown=0, NotChecked=0, Total=8930 [2020-10-14 18:28:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-14 18:28:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2020-10-14 18:28:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-14 18:28:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 257 transitions. [2020-10-14 18:28:30,397 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 257 transitions. Word has length 243 [2020-10-14 18:28:30,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:30,397 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 257 transitions. [2020-10-14 18:28:30,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-14 18:28:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 257 transitions. [2020-10-14 18:28:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-14 18:28:30,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:30,399 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:30,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-14 18:28:30,400 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:30,400 INFO L82 PathProgramCache]: Analyzing trace with hash 190945116, now seen corresponding path program 41 times [2020-10-14 18:28:30,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:30,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236930656] [2020-10-14 18:28:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:30,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:32,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:32,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-14 18:28:32,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2482 [2020-10-14 18:28:32,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:32,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 18:28:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-14 18:28:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:34,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:28:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:28:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:28:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:28:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:28:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 18:28:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 18:28:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 18:28:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 18:28:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 18:28:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 18:28:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:34,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 18:28:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-14 18:28:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-14 18:28:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-14 18:28:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 18:28:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-14 18:28:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-14 18:28:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-14 18:28:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-14 18:28:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-14 18:28:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:34,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:34,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:34,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:34,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:34,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:34,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:34,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:34,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:34,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:34,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 924 proven. 651 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-14 18:28:34,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236930656] [2020-10-14 18:28:34,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:34,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-14 18:28:34,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81448456] [2020-10-14 18:28:34,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-14 18:28:34,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:34,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-14 18:28:34,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 18:28:34,161 INFO L87 Difference]: Start difference. First operand 255 states and 257 transitions. Second operand 48 states. [2020-10-14 18:28:36,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:36,103 INFO L93 Difference]: Finished difference Result 615 states and 622 transitions. [2020-10-14 18:28:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-14 18:28:36,104 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 251 [2020-10-14 18:28:36,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:36,106 INFO L225 Difference]: With dead ends: 615 [2020-10-14 18:28:36,106 INFO L226 Difference]: Without dead ends: 265 [2020-10-14 18:28:36,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1131, Invalid=3839, Unknown=0, NotChecked=0, Total=4970 [2020-10-14 18:28:36,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-14 18:28:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 258. [2020-10-14 18:28:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-14 18:28:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 260 transitions. [2020-10-14 18:28:36,126 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 260 transitions. Word has length 251 [2020-10-14 18:28:36,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:36,126 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 260 transitions. [2020-10-14 18:28:36,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-14 18:28:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 260 transitions. [2020-10-14 18:28:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-14 18:28:36,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:36,127 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:36,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-14 18:28:36,128 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:36,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:36,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1215551606, now seen corresponding path program 42 times [2020-10-14 18:28:36,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:36,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140597228] [2020-10-14 18:28:36,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:36,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:38,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:38,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-14 18:28:38,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2487 [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-14 18:28:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:40,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:28:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:28:40,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:28:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 18:28:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 18:28:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 18:28:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 18:28:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 18:28:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 18:28:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-14 18:28:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-14 18:28:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-14 18:28:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-14 18:28:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-14 18:28:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-14 18:28:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-14 18:28:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 18:28:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 18:28:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-14 18:28:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-14 18:28:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-14 18:28:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-14 18:28:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:40,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:40,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:40,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:40,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 42 proven. 1597 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-14 18:28:40,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140597228] [2020-10-14 18:28:40,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:40,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-14 18:28:40,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425195525] [2020-10-14 18:28:40,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-14 18:28:40,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:40,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-14 18:28:40,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2449, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 18:28:40,825 INFO L87 Difference]: Start difference. First operand 258 states and 260 transitions. Second operand 51 states. [2020-10-14 18:28:48,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:48,186 INFO L93 Difference]: Finished difference Result 272 states and 274 transitions. [2020-10-14 18:28:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-10-14 18:28:48,187 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 254 [2020-10-14 18:28:48,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:48,189 INFO L225 Difference]: With dead ends: 272 [2020-10-14 18:28:48,189 INFO L226 Difference]: Without dead ends: 270 [2020-10-14 18:28:48,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=318, Invalid=9188, Unknown=0, NotChecked=0, Total=9506 [2020-10-14 18:28:48,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-14 18:28:48,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2020-10-14 18:28:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-14 18:28:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 268 transitions. [2020-10-14 18:28:48,214 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 268 transitions. Word has length 254 [2020-10-14 18:28:48,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:48,215 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 268 transitions. [2020-10-14 18:28:48,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-14 18:28:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 268 transitions. [2020-10-14 18:28:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-14 18:28:48,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:48,217 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:48,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-14 18:28:48,217 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:48,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:48,217 INFO L82 PathProgramCache]: Analyzing trace with hash 159950304, now seen corresponding path program 43 times [2020-10-14 18:28:48,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:48,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743580944] [2020-10-14 18:28:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:48,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:50,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:50,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-14 18:28:50,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2652 [2020-10-14 18:28:50,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:50,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:50,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-14 18:28:50,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:50,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-14 18:28:50,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:28:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:28:52,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:52,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:28:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:28:52,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:28:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:28:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:28:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:28:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 18:28:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 18:28:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 18:28:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 18:28:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 18:28:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 18:28:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-14 18:28:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-14 18:28:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-14 18:28:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-14 18:28:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-14 18:28:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-14 18:28:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-14 18:28:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 18:28:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 18:28:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-14 18:28:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-14 18:28:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-14 18:28:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-14 18:28:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-14 18:28:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:52,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:52,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:28:52,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:28:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2651 backedges. 927 proven. 800 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-14 18:28:52,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743580944] [2020-10-14 18:28:52,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:28:52,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-14 18:28:52,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897000024] [2020-10-14 18:28:52,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-14 18:28:52,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:28:52,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-14 18:28:52,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=1845, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 18:28:52,207 INFO L87 Difference]: Start difference. First operand 266 states and 268 transitions. Second operand 50 states. [2020-10-14 18:28:54,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:28:54,285 INFO L93 Difference]: Finished difference Result 642 states and 649 transitions. [2020-10-14 18:28:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-14 18:28:54,286 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 262 [2020-10-14 18:28:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:28:54,288 INFO L225 Difference]: With dead ends: 642 [2020-10-14 18:28:54,288 INFO L226 Difference]: Without dead ends: 276 [2020-10-14 18:28:54,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1181, Invalid=4075, Unknown=0, NotChecked=0, Total=5256 [2020-10-14 18:28:54,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-14 18:28:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 269. [2020-10-14 18:28:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-14 18:28:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 271 transitions. [2020-10-14 18:28:54,311 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 271 transitions. Word has length 262 [2020-10-14 18:28:54,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:28:54,311 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 271 transitions. [2020-10-14 18:28:54,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-14 18:28:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 271 transitions. [2020-10-14 18:28:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-14 18:28:54,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:28:54,312 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:28:54,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-14 18:28:54,313 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:28:54,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:28:54,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1309658354, now seen corresponding path program 44 times [2020-10-14 18:28:54,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:28:54,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299022460] [2020-10-14 18:28:54,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:28:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:28:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:28:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:28:57,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-14 18:28:57,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:28:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3163 [2020-10-14 18:28:57,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:28:57,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:28:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-14 18:28:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:28:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 298 [2020-10-14 18:28:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:00,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:00,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:00,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:29:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:00,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:29:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:29:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:29:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:29:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:29:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:29:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 18:29:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 18:29:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 18:29:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:00,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 18:29:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 18:29:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 18:29:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 18:29:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 18:29:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 18:29:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 18:29:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-14 18:29:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-14 18:29:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 18:29:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:00,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-14 18:29:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-14 18:29:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-14 18:29:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:00,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2718 backedges. 44 proven. 1750 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-14 18:29:00,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299022460] [2020-10-14 18:29:00,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:00,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-14 18:29:00,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34045506] [2020-10-14 18:29:00,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-14 18:29:00,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:00,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-14 18:29:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2651, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 18:29:00,359 INFO L87 Difference]: Start difference. First operand 269 states and 271 transitions. Second operand 53 states. [2020-10-14 18:29:09,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:09,469 INFO L93 Difference]: Finished difference Result 283 states and 285 transitions. [2020-10-14 18:29:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-10-14 18:29:09,470 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 265 [2020-10-14 18:29:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:09,473 INFO L225 Difference]: With dead ends: 283 [2020-10-14 18:29:09,473 INFO L226 Difference]: Without dead ends: 281 [2020-10-14 18:29:09,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=331, Invalid=9971, Unknown=0, NotChecked=0, Total=10302 [2020-10-14 18:29:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-14 18:29:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 277. [2020-10-14 18:29:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-14 18:29:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 279 transitions. [2020-10-14 18:29:09,499 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 279 transitions. Word has length 265 [2020-10-14 18:29:09,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:09,500 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 279 transitions. [2020-10-14 18:29:09,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-14 18:29:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 279 transitions. [2020-10-14 18:29:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 18:29:09,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:09,502 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:09,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-14 18:29:09,502 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:09,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1000053944, now seen corresponding path program 45 times [2020-10-14 18:29:09,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:09,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438084871] [2020-10-14 18:29:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-14 18:29:12,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2728 [2020-10-14 18:29:12,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 18:29:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:29:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 303 [2020-10-14 18:29:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:13,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:29:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:13,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:29:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:29:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:29:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:29:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:29:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:29:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 18:29:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 18:29:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 18:29:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 18:29:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 18:29:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 18:29:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 18:29:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 18:29:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 18:29:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 18:29:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-14 18:29:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-14 18:29:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 18:29:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-14 18:29:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-14 18:29:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-14 18:29:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-14 18:29:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:13,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1104 proven. 782 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-14 18:29:13,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438084871] [2020-10-14 18:29:13,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:13,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-14 18:29:13,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901208863] [2020-10-14 18:29:13,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-14 18:29:13,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:13,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-14 18:29:13,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=1999, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 18:29:13,719 INFO L87 Difference]: Start difference. First operand 277 states and 279 transitions. Second operand 52 states. [2020-10-14 18:29:15,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:15,969 INFO L93 Difference]: Finished difference Result 669 states and 676 transitions. [2020-10-14 18:29:15,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-14 18:29:15,970 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 273 [2020-10-14 18:29:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:15,973 INFO L225 Difference]: With dead ends: 669 [2020-10-14 18:29:15,973 INFO L226 Difference]: Without dead ends: 287 [2020-10-14 18:29:15,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1329, Invalid=4523, Unknown=0, NotChecked=0, Total=5852 [2020-10-14 18:29:15,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-14 18:29:16,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 280. [2020-10-14 18:29:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 18:29:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 282 transitions. [2020-10-14 18:29:16,002 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 282 transitions. Word has length 273 [2020-10-14 18:29:16,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:16,002 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 282 transitions. [2020-10-14 18:29:16,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-14 18:29:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 282 transitions. [2020-10-14 18:29:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-14 18:29:16,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:16,004 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:16,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-14 18:29:16,005 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:16,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:16,005 INFO L82 PathProgramCache]: Analyzing trace with hash -802390794, now seen corresponding path program 46 times [2020-10-14 18:29:16,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:16,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565009470] [2020-10-14 18:29:16,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:16,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-14 18:29:19,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3408 [2020-10-14 18:29:19,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-14 18:29:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:29:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 311 [2020-10-14 18:29:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:21,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:29:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:29:21,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:21,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:29:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:29:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:29:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 18:29:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 18:29:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 18:29:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 18:29:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 18:29:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 18:29:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 18:29:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 18:29:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-14 18:29:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-14 18:29:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-14 18:29:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-14 18:29:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 18:29:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-14 18:29:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-14 18:29:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-14 18:29:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-14 18:29:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-14 18:29:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-14 18:29:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:21,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-14 18:29:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:21,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:21,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2968 backedges. 46 proven. 1910 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-14 18:29:22,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565009470] [2020-10-14 18:29:22,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:22,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-14 18:29:22,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310138079] [2020-10-14 18:29:22,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-14 18:29:22,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:22,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-14 18:29:22,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 18:29:22,047 INFO L87 Difference]: Start difference. First operand 280 states and 282 transitions. Second operand 55 states. [2020-10-14 18:29:31,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:31,028 INFO L93 Difference]: Finished difference Result 294 states and 296 transitions. [2020-10-14 18:29:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-10-14 18:29:31,029 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 276 [2020-10-14 18:29:31,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:31,031 INFO L225 Difference]: With dead ends: 294 [2020-10-14 18:29:31,031 INFO L226 Difference]: Without dead ends: 292 [2020-10-14 18:29:31,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=342, Invalid=10788, Unknown=0, NotChecked=0, Total=11130 [2020-10-14 18:29:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-14 18:29:31,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2020-10-14 18:29:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-14 18:29:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 290 transitions. [2020-10-14 18:29:31,059 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 290 transitions. Word has length 276 [2020-10-14 18:29:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:31,059 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 290 transitions. [2020-10-14 18:29:31,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-14 18:29:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 290 transitions. [2020-10-14 18:29:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-14 18:29:31,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:31,061 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:31,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-14 18:29:31,061 INFO L427 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:31,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:31,062 INFO L82 PathProgramCache]: Analyzing trace with hash -941437108, now seen corresponding path program 47 times [2020-10-14 18:29:31,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:31,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192848971] [2020-10-14 18:29:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3202 [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-14 18:29:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:29:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 316 [2020-10-14 18:29:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:35,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:29:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:29:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:29:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:29:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 18:29:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 18:29:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 18:29:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 18:29:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 18:29:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 18:29:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 18:29:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 18:29:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-14 18:29:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-14 18:29:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-14 18:29:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-14 18:29:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-14 18:29:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-14 18:29:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-14 18:29:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-14 18:29:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-14 18:29:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-14 18:29:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-14 18:29:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-14 18:29:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-14 18:29:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:35,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:35,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:35,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:35,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:35,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:35,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:35,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3156 backedges. 1200 proven. 852 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-14 18:29:35,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192848971] [2020-10-14 18:29:35,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:35,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-14 18:29:35,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371357790] [2020-10-14 18:29:35,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-14 18:29:35,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:35,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-14 18:29:35,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=2157, Unknown=0, NotChecked=0, Total=2862 [2020-10-14 18:29:35,957 INFO L87 Difference]: Start difference. First operand 288 states and 290 transitions. Second operand 54 states. [2020-10-14 18:29:38,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:38,523 INFO L93 Difference]: Finished difference Result 696 states and 703 transitions. [2020-10-14 18:29:38,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-14 18:29:38,525 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 284 [2020-10-14 18:29:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:38,527 INFO L225 Difference]: With dead ends: 696 [2020-10-14 18:29:38,527 INFO L226 Difference]: Without dead ends: 298 [2020-10-14 18:29:38,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1434, Invalid=4886, Unknown=0, NotChecked=0, Total=6320 [2020-10-14 18:29:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-14 18:29:38,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 291. [2020-10-14 18:29:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-10-14 18:29:38,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 293 transitions. [2020-10-14 18:29:38,559 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 293 transitions. Word has length 284 [2020-10-14 18:29:38,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:38,559 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 293 transitions. [2020-10-14 18:29:38,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-10-14 18:29:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 293 transitions. [2020-10-14 18:29:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-14 18:29:38,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:38,561 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:38,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-14 18:29:38,562 INFO L427 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:38,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:38,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1560314658, now seen corresponding path program 48 times [2020-10-14 18:29:38,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:38,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539100600] [2020-10-14 18:29:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:38,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3984 [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-14 18:29:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 18:29:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 324 [2020-10-14 18:29:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:45,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 18:29:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:29:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:29:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:29:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 18:29:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 18:29:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 18:29:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 18:29:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 18:29:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 18:29:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 18:29:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 18:29:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 18:29:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 18:29:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 18:29:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-14 18:29:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 18:29:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 18:29:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 18:29:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-14 18:29:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-14 18:29:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 18:29:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-14 18:29:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-14 18:29:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-14 18:29:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:45,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:45,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:45,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 48 proven. 2077 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-14 18:29:45,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539100600] [2020-10-14 18:29:45,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:45,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-14 18:29:45,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170556081] [2020-10-14 18:29:45,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-14 18:29:45,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:45,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-14 18:29:45,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2020-10-14 18:29:45,439 INFO L87 Difference]: Start difference. First operand 291 states and 293 transitions. Second operand 57 states.