/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/recursive-simple/id_o200.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:38:49,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:38:49,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:38:49,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:38:49,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:38:49,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:38:49,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:38:49,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:38:49,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:38:49,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:38:49,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:38:49,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:38:49,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:38:49,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:38:49,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:38:49,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:38:49,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:38:49,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:38:49,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:38:49,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:38:49,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:38:49,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:38:49,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:38:49,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:38:49,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:38:49,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:38:49,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:38:49,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:38:49,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:38:49,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:38:49,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:38:49,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:38:49,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:38:49,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:38:49,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:38:49,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:38:49,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:38:49,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:38:49,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:38:49,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:38:49,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:38:49,359 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 [2020-10-27 22:38:49,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:38:49,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:38:49,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:38:49,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:38:49,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:38:49,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:38:49,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:38:49,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:38:49,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:38:49,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:38:49,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:38:49,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:38:49,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:38:49,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:38:49,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:38:49,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:38:49,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:38:49,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:38:49,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:38:49,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:38:49,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:38:49,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:38:49,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:38:49,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:38:49,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:38:49,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:38:49,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:38:49,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:38:49,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:38:49,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:38:49,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:38:49,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:38:49,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:38:49,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:38:49,788 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:38:49,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_o200.c [2020-10-27 22:38:49,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/59faee580/ecf6cf3fe52047d3b0a50aad67199367/FLAG260b3030a [2020-10-27 22:38:50,497 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:38:50,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_o200.c [2020-10-27 22:38:50,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/59faee580/ecf6cf3fe52047d3b0a50aad67199367/FLAG260b3030a [2020-10-27 22:38:50,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/59faee580/ecf6cf3fe52047d3b0a50aad67199367 [2020-10-27 22:38:50,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:38:50,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:38:50,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:38:50,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:38:50,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:38:50,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:38:50" (1/1) ... [2020-10-27 22:38:50,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c45fe72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:50, skipping insertion in model container [2020-10-27 22:38:50,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:38:50" (1/1) ... [2020-10-27 22:38:50,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:38:50,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:38:51,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:38:51,135 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:38:51,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:38:51,162 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:38:51,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51 WrapperNode [2020-10-27 22:38:51,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:38:51,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:38:51,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:38:51,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:38:51,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (1/1) ... [2020-10-27 22:38:51,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:38:51,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:38:51,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:38:51,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:38:51,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (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 [2020-10-27 22:38:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:38:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:38:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:38:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-27 22:38:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:38:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 22:38:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:38:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:38:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:38:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:38:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:38:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:38:51,646 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:38:51,646 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:38:51,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:38:51 BoogieIcfgContainer [2020-10-27 22:38:51,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:38:51,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:38:51,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:38:51,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:38:51,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:38:50" (1/3) ... [2020-10-27 22:38:51,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f391b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:38:51, skipping insertion in model container [2020-10-27 22:38:51,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:38:51" (2/3) ... [2020-10-27 22:38:51,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f391b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:38:51, skipping insertion in model container [2020-10-27 22:38:51,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:38:51" (3/3) ... [2020-10-27 22:38:51,658 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o200.c [2020-10-27 22:38:51,674 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:38:51,680 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:38:51,697 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:38:51,730 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:38:51,730 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:38:51,730 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:38:51,731 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:38:51,731 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:38:51,731 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:38:51,731 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:38:51,732 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:38:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-10-27 22:38:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:38:51,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:51,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:51,762 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:51,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:51,769 INFO L82 PathProgramCache]: Analyzing trace with hash 560135365, now seen corresponding path program 1 times [2020-10-27 22:38:51,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:51,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300092900] [2020-10-27 22:38:51,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:52,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:52,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-27 22:38:52,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:38:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:38:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:38:52,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:52,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:52,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:38:52,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:52,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:52,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:52,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:38:52,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:38:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:52,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:38:52,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300092900] [2020-10-27 22:38:52,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:38:52,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:38:52,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884605545] [2020-10-27 22:38:52,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:38:52,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:52,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:38:52,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:38:52,621 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2020-10-27 22:38:52,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:52,868 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-10-27 22:38:52,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:38:52,870 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:38:52,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:52,879 INFO L225 Difference]: With dead ends: 38 [2020-10-27 22:38:52,880 INFO L226 Difference]: Without dead ends: 20 [2020-10-27 22:38:52,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:38:52,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-27 22:38:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-27 22:38:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-27 22:38:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-27 22:38:52,929 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2020-10-27 22:38:52,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:52,929 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-27 22:38:52,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:38:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-27 22:38:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-27 22:38:52,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:52,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:52,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:38:52,932 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:52,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1295611761, now seen corresponding path program 1 times [2020-10-27 22:38:52,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:52,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753105818] [2020-10-27 22:38:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:52,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-27 22:38:53,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 22:38:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:38:53,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:53,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:38:53,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 22:38:53,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:38:53,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:38:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:53,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:53,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:53,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:53,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:38:53,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:38:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 22:38:53,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753105818] [2020-10-27 22:38:53,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:53,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:38:53,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241989005] [2020-10-27 22:38:53,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:38:53,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:53,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:38:53,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:38:53,484 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2020-10-27 22:38:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:53,852 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-27 22:38:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:38:53,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-10-27 22:38:53,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:53,855 INFO L225 Difference]: With dead ends: 28 [2020-10-27 22:38:53,855 INFO L226 Difference]: Without dead ends: 23 [2020-10-27 22:38:53,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:38:53,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-27 22:38:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-27 22:38:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-27 22:38:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-27 22:38:53,877 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2020-10-27 22:38:53,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:53,877 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-27 22:38:53,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:38:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-27 22:38:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 22:38:53,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:53,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:53,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:38:53,881 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:53,881 INFO L82 PathProgramCache]: Analyzing trace with hash -116387003, now seen corresponding path program 2 times [2020-10-27 22:38:53,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:53,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935762491] [2020-10-27 22:38:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:53,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:54,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-27 22:38:54,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:54,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 22:38:54,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:38:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:54,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:38:54,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:54,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:54,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:38:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:38:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:54,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:38:54,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:38:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:54,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:54,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:54,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:54,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:54,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:54,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:54,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:38:54,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:54,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:54,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 22:38:54,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935762491] [2020-10-27 22:38:54,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:54,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:38:54,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130537917] [2020-10-27 22:38:54,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:38:54,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:54,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:38:54,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:38:54,544 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 10 states. [2020-10-27 22:38:55,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:55,030 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-27 22:38:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:38:55,031 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2020-10-27 22:38:55,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:55,032 INFO L225 Difference]: With dead ends: 31 [2020-10-27 22:38:55,033 INFO L226 Difference]: Without dead ends: 26 [2020-10-27 22:38:55,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:38:55,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-27 22:38:55,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-27 22:38:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 22:38:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-27 22:38:55,042 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 27 [2020-10-27 22:38:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:55,042 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-27 22:38:55,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:38:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-27 22:38:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 22:38:55,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:55,044 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:55,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:38:55,044 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:55,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:55,045 INFO L82 PathProgramCache]: Analyzing trace with hash -738125937, now seen corresponding path program 3 times [2020-10-27 22:38:55,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:55,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954124470] [2020-10-27 22:38:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 22:38:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:38:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:55,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 22:38:55,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:55,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:38:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 22:38:55,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:38:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:55,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:38:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:38:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:55,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:55,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:55,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:55,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:38:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:55,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:55,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:38:55,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954124470] [2020-10-27 22:38:55,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:55,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:38:55,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407566874] [2020-10-27 22:38:55,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:38:55,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:55,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:38:55,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:38:55,855 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 12 states. [2020-10-27 22:38:56,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:56,423 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-27 22:38:56,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:38:56,424 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2020-10-27 22:38:56,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:56,425 INFO L225 Difference]: With dead ends: 34 [2020-10-27 22:38:56,425 INFO L226 Difference]: Without dead ends: 29 [2020-10-27 22:38:56,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:38:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-27 22:38:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-27 22:38:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-27 22:38:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-10-27 22:38:56,433 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 33 [2020-10-27 22:38:56,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:56,434 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-10-27 22:38:56,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:38:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-10-27 22:38:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 22:38:56,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:56,436 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:56,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:38:56,436 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:56,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:56,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1342585285, now seen corresponding path program 4 times [2020-10-27 22:38:56,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:56,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634247791] [2020-10-27 22:38:56,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:38:56,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-27 22:38:56,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:56,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 22:38:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:38:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:38:56,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:56,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:56,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 22:38:56,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:56,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:38:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:57,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:57,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:57,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:57,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 22:38:57,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:57,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:57,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:38:57,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:57,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:57,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:57,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:57,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:38:57,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:38:57,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:57,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:57,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:57,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:57,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:38:57,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:38:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:57,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:57,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:57,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:57,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:38:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 22:38:57,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634247791] [2020-10-27 22:38:57,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:57,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:38:57,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5158181] [2020-10-27 22:38:57,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:38:57,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:57,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:38:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:38:57,393 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 14 states. [2020-10-27 22:38:58,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:58,079 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-27 22:38:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:38:58,079 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2020-10-27 22:38:58,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:58,080 INFO L225 Difference]: With dead ends: 37 [2020-10-27 22:38:58,081 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:38:58,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:38:58,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:38:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:38:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:38:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-27 22:38:58,089 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 39 [2020-10-27 22:38:58,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:58,089 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-27 22:38:58,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:38:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-27 22:38:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-27 22:38:58,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:58,091 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:58,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:38:58,092 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:58,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:58,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1660180111, now seen corresponding path program 5 times [2020-10-27 22:38:58,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:58,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980563669] [2020-10-27 22:38:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:38:58,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 343 [2020-10-27 22:38:58,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:38:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 22:38:58,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:58,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:58,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:58,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:58,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:58,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:58,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:38:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-27 22:38:58,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:38:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:38:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:58,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:38:58,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 22:38:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:38:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:38:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:58,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 22:38:58,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:58,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:38:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:59,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:38:59,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:59,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 22:38:59,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:38:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:59,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:38:59,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:59,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:38:59,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:38:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:38:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:59,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:59,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:59,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:38:59,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:38:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:38:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 22:38:59,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980563669] [2020-10-27 22:38:59,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:59,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 22:38:59,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862814485] [2020-10-27 22:38:59,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 22:38:59,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:59,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 22:38:59,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:38:59,237 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 16 states. [2020-10-27 22:39:00,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:00,102 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-27 22:39:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 22:39:00,103 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 45 [2020-10-27 22:39:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:00,105 INFO L225 Difference]: With dead ends: 40 [2020-10-27 22:39:00,105 INFO L226 Difference]: Without dead ends: 35 [2020-10-27 22:39:00,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2020-10-27 22:39:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-27 22:39:00,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-27 22:39:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 22:39:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-27 22:39:00,113 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 45 [2020-10-27 22:39:00,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:00,114 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-27 22:39:00,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 22:39:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-27 22:39:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-27 22:39:00,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:00,116 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:00,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:39:00,116 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:00,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1624338501, now seen corresponding path program 6 times [2020-10-27 22:39:00,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:00,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012268902] [2020-10-27 22:39:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:00,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-27 22:39:00,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:39:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 22:39:00,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:39:00,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:39:00,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:00,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:00,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:00,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:00,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:00,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:00,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:00,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-27 22:39:00,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:00,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:00,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:00,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:01,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 22:39:01,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:01,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:01,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:01,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 22:39:01,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:01,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 22:39:01,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:01,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:01,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:39:01,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:01,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:01,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:39:01,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:39:01,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:01,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:39:01,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:01,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-27 22:39:01,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012268902] [2020-10-27 22:39:01,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:01,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:39:01,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006934503] [2020-10-27 22:39:01,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:39:01,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:01,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:39:01,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:39:01,764 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 18 states. [2020-10-27 22:39:02,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:02,828 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-27 22:39:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 22:39:02,828 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 51 [2020-10-27 22:39:02,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:02,832 INFO L225 Difference]: With dead ends: 43 [2020-10-27 22:39:02,833 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 22:39:02,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 22:39:02,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 22:39:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-27 22:39:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-27 22:39:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2020-10-27 22:39:02,849 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 51 [2020-10-27 22:39:02,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:02,850 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2020-10-27 22:39:02,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:39:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-10-27 22:39:02,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:39:02,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:02,853 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:02,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:39:02,853 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:02,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:02,854 INFO L82 PathProgramCache]: Analyzing trace with hash 502547855, now seen corresponding path program 7 times [2020-10-27 22:39:02,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:02,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505312475] [2020-10-27 22:39:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:03,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:03,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:03,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-27 22:39:03,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:03,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:39:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 22:39:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:39:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:03,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:03,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:03,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:03,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:03,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:03,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:03,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:03,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:03,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:03,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-27 22:39:03,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:03,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:03,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:04,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-27 22:39:04,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:04,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:04,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:04,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-27 22:39:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:04,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 22:39:04,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:04,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:04,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:04,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 22:39:04,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:39:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:04,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:39:04,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:04,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:04,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:04,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:04,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:39:04,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-27 22:39:04,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505312475] [2020-10-27 22:39:04,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:04,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 22:39:04,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125995265] [2020-10-27 22:39:04,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 22:39:04,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:04,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 22:39:04,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:39:04,832 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 20 states. [2020-10-27 22:39:06,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:06,110 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-27 22:39:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 22:39:06,112 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 57 [2020-10-27 22:39:06,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:06,113 INFO L225 Difference]: With dead ends: 46 [2020-10-27 22:39:06,113 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:39:06,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=105, Invalid=1227, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 22:39:06,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:39:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:39:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:39:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-10-27 22:39:06,129 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 57 [2020-10-27 22:39:06,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:06,132 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-10-27 22:39:06,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 22:39:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-10-27 22:39:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 22:39:06,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:06,134 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:06,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:39:06,134 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:06,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:06,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1459767611, now seen corresponding path program 8 times [2020-10-27 22:39:06,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:06,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002820273] [2020-10-27 22:39:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:06,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:06,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:06,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:06,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:07,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-27 22:39:07,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:07,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:07,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-27 22:39:07,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-27 22:39:07,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:07,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:08,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 22:39:08,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:08,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:08,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 22:39:08,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:08,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:39:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:08,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:39:08,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:08,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:39:08,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:08,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:08,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:08,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:08,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:08,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-27 22:39:08,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002820273] [2020-10-27 22:39:08,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:08,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 22:39:08,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989287487] [2020-10-27 22:39:08,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 22:39:08,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:08,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 22:39:08,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:39:08,565 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 22 states. [2020-10-27 22:39:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:09,944 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-27 22:39:09,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:39:09,945 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 63 [2020-10-27 22:39:09,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:09,947 INFO L225 Difference]: With dead ends: 49 [2020-10-27 22:39:09,947 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 22:39:09,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 22:39:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 22:39:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-27 22:39:09,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-27 22:39:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2020-10-27 22:39:09,959 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 63 [2020-10-27 22:39:09,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:09,959 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2020-10-27 22:39:09,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 22:39:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2020-10-27 22:39:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-27 22:39:09,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:09,961 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:09,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:39:09,961 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:09,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:09,961 INFO L82 PathProgramCache]: Analyzing trace with hash 273998991, now seen corresponding path program 9 times [2020-10-27 22:39:09,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:09,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683334686] [2020-10-27 22:39:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:10,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:10,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:10,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-27 22:39:10,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:10,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 22:39:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 22:39:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 22:39:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:10,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:10,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:10,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:10,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:10,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:11,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:11,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:11,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-27 22:39:11,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:11,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:11,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:11,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:11,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:11,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:11,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:11,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:11,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-27 22:39:11,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:11,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:11,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:11,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:11,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:11,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-27 22:39:11,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:11,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:12,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 22:39:12,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:12,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:12,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 22:39:12,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 22:39:12,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:12,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:39:12,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:39:12,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:12,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:12,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:12,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:39:12,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:12,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:12,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 22:39:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-27 22:39:13,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683334686] [2020-10-27 22:39:13,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:13,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 22:39:13,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604357164] [2020-10-27 22:39:13,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 22:39:13,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:13,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 22:39:13,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:39:13,051 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 24 states. [2020-10-27 22:39:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:14,875 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-27 22:39:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 22:39:14,875 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 69 [2020-10-27 22:39:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:14,877 INFO L225 Difference]: With dead ends: 52 [2020-10-27 22:39:14,877 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 22:39:14,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=129, Invalid=1851, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 22:39:14,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 22:39:14,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-27 22:39:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-27 22:39:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2020-10-27 22:39:14,886 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 69 [2020-10-27 22:39:14,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:14,886 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2020-10-27 22:39:14,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 22:39:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-10-27 22:39:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-27 22:39:14,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:14,888 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:14,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:39:14,888 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:14,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1458107067, now seen corresponding path program 10 times [2020-10-27 22:39:14,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:14,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370703427] [2020-10-27 22:39:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:15,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-27 22:39:15,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 22:39:15,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-27 22:39:15,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-27 22:39:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:15,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:39:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:16,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:16,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:17,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:17,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:17,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:17,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:17,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-27 22:39:17,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:17,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:17,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:17,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:17,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-27 22:39:17,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:17,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:17,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:17,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:17,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:17,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:17,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-27 22:39:17,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:17,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:17,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:18,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 22:39:18,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:18,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:18,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 22:39:18,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:18,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:18,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 22:39:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:18,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:39:18,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:18,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:39:18,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:18,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:39:18,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:18,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:18,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:18,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:18,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-27 22:39:18,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370703427] [2020-10-27 22:39:18,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:18,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 22:39:18,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038991416] [2020-10-27 22:39:18,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 22:39:18,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:18,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 22:39:18,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2020-10-27 22:39:18,785 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 26 states. [2020-10-27 22:39:20,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:20,718 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-27 22:39:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 22:39:20,718 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 75 [2020-10-27 22:39:20,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:20,720 INFO L225 Difference]: With dead ends: 55 [2020-10-27 22:39:20,720 INFO L226 Difference]: Without dead ends: 50 [2020-10-27 22:39:20,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=141, Invalid=2211, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 22:39:20,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-27 22:39:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-10-27 22:39:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:39:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-27 22:39:20,729 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 75 [2020-10-27 22:39:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:20,729 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-27 22:39:20,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 22:39:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-27 22:39:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-27 22:39:20,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:20,731 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:20,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:39:20,731 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:20,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:20,732 INFO L82 PathProgramCache]: Analyzing trace with hash -764791921, now seen corresponding path program 11 times [2020-10-27 22:39:20,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:20,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505092282] [2020-10-27 22:39:20,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:20,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:21,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:21,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-27 22:39:21,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 22:39:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 22:39:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 22:39:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:21,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:21,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:21,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:21,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:21,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:21,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:22,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:22,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:22,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-27 22:39:22,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:22,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:22,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:39:22,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:22,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:22,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-27 22:39:23,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:39:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:23,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-27 22:39:23,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:23,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:23,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:23,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:23,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:23,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-27 22:39:23,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:23,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:24,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:24,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 22:39:24,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:24,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:24,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:24,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 22:39:24,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:24,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:24,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 22:39:24,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:24,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:24,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 22:39:24,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:24,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:24,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:25,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:25,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:25,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:25,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:25,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:25,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:39:25,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:25,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:25,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:25,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:25,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:25,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:25,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:25,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:25,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:25,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:25,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:25,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:25,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-27 22:39:25,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505092282] [2020-10-27 22:39:25,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:25,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 22:39:25,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301045404] [2020-10-27 22:39:25,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 22:39:25,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:25,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 22:39:25,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:39:25,301 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 28 states. [2020-10-27 22:39:27,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:27,550 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-27 22:39:27,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 22:39:27,551 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 81 [2020-10-27 22:39:27,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:27,552 INFO L225 Difference]: With dead ends: 58 [2020-10-27 22:39:27,552 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 22:39:27,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=153, Invalid=2603, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 22:39:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 22:39:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-27 22:39:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-27 22:39:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-10-27 22:39:27,561 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 81 [2020-10-27 22:39:27,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:27,561 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-10-27 22:39:27,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 22:39:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-10-27 22:39:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 22:39:27,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:27,562 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:27,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:39:27,563 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:27,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:27,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1532398651, now seen corresponding path program 12 times [2020-10-27 22:39:27,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:27,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282495262] [2020-10-27 22:39:27,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:27,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 972 [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 22:39:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-27 22:39:28,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:39:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:28,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:28,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:28,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:28,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:28,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:28,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:28,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:29,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:29,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:29,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:39:29,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:29,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:29,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:30,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:30,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:30,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-27 22:39:30,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:39:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:30,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:30,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:30,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:30,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-27 22:39:30,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:30,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:30,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:30,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:30,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:30,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:31,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:31,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 22:39:31,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:31,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 22:39:31,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:31,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:39:31,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:31,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:39:31,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:31,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:31,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:31,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:31,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-27 22:39:32,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282495262] [2020-10-27 22:39:32,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:32,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 22:39:32,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778572604] [2020-10-27 22:39:32,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 22:39:32,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:32,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 22:39:32,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2020-10-27 22:39:32,060 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 30 states. [2020-10-27 22:39:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:34,567 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-27 22:39:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 22:39:34,568 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 87 [2020-10-27 22:39:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:34,569 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:39:34,569 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 22:39:34,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=165, Invalid=3027, Unknown=0, NotChecked=0, Total=3192 [2020-10-27 22:39:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 22:39:34,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-27 22:39:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-27 22:39:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2020-10-27 22:39:34,588 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 87 [2020-10-27 22:39:34,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:34,588 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2020-10-27 22:39:34,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 22:39:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2020-10-27 22:39:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-27 22:39:34,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:34,593 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:34,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:39:34,593 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:34,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:34,594 INFO L82 PathProgramCache]: Analyzing trace with hash -913821041, now seen corresponding path program 13 times [2020-10-27 22:39:34,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:34,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280744427] [2020-10-27 22:39:34,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:34,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:35,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 22:39:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:35,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:35,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:35,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:35,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:35,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:35,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:35,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 727 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:39:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:36,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:36,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:37,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:38,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:39:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:38,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:38,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-27 22:39:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:39:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:38,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-27 22:39:39,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:39,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:39,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 22:39:39,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:39,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:39,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:39,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:40,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:39:40,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:40,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:40,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:39:40,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-27 22:39:40,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280744427] [2020-10-27 22:39:40,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:40,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 22:39:40,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164950073] [2020-10-27 22:39:40,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 22:39:40,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:40,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 22:39:40,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2020-10-27 22:39:40,637 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 32 states. [2020-10-27 22:39:43,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:43,495 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-27 22:39:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 22:39:43,496 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 93 [2020-10-27 22:39:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:43,498 INFO L225 Difference]: With dead ends: 64 [2020-10-27 22:39:43,498 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 22:39:43,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=177, Invalid=3483, Unknown=0, NotChecked=0, Total=3660 [2020-10-27 22:39:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 22:39:43,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-27 22:39:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 22:39:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2020-10-27 22:39:43,506 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 93 [2020-10-27 22:39:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:43,506 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2020-10-27 22:39:43,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 22:39:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2020-10-27 22:39:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 22:39:43,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:43,508 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:43,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:39:43,508 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:43,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:43,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1648421445, now seen corresponding path program 14 times [2020-10-27 22:39:43,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:43,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060035708] [2020-10-27 22:39:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:43,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:39:44,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-10-27 22:39:44,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 22:39:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 22:39:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 22:39:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:44,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:44,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:44,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:44,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:44,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:44,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:44,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:44,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1132 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:39:45,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:45,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:46,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:39:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:46,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:47,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:47,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:47,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:47,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:47,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:47,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:47,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-27 22:39:47,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:47,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:39:47,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:47,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:39:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:48,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:48,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:48,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:48,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:48,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:48,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:48,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:48,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 22:39:48,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:48,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:48,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:48,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:48,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:48,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:49,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 22:39:49,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:49,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:49,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 22:39:49,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:39:49,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:39:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:39:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:39:49,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:39:49,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:49,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:39:49,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:39:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:39:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:49,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:49,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:49,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:39:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:39:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-10-27 22:39:50,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060035708] [2020-10-27 22:39:50,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:50,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 22:39:50,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546363013] [2020-10-27 22:39:50,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 22:39:50,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 22:39:50,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 22:39:50,027 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 34 states. [2020-10-27 22:39:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:53,198 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-27 22:39:53,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 22:39:53,206 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 99 [2020-10-27 22:39:53,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:53,208 INFO L225 Difference]: With dead ends: 67 [2020-10-27 22:39:53,208 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 22:39:53,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=189, Invalid=3971, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 22:39:53,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 22:39:53,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-27 22:39:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 22:39:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2020-10-27 22:39:53,216 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 99 [2020-10-27 22:39:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:53,217 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2020-10-27 22:39:53,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 22:39:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2020-10-27 22:39:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-27 22:39:53,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:53,218 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:53,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:39:53,219 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:53,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:53,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1745019279, now seen corresponding path program 15 times [2020-10-27 22:39:53,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:53,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205484799] [2020-10-27 22:39:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:53,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1341 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 22:39:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:54,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:54,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:54,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:54,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:54,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:54,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:54,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:54,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:54,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:54,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:39:55,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:55,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-10-27 22:39:55,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:39:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:39:55,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:56,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:56,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:39:56,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:56,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-10-27 22:39:56,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:56,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:39:56,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:56,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:39:56,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:56,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:57,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:39:57,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:57,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:57,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:57,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:57,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:57,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:57,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:58,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:39:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:58,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:58,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:39:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-27 22:39:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:39:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:39:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:58,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:59,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:39:59,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-27 22:39:59,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:59,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:39:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:59,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:59,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:39:59,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 22:39:59,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:39:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:39:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:59,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:39:59,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 22:39:59,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:39:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:59,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:39:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:59,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:39:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:39:59,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:40:00,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:40:00,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:40:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:40:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:40:00,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:40:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:40:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:00,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:00,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:40:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:40:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-27 22:40:00,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205484799] [2020-10-27 22:40:00,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:00,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-27 22:40:00,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627905210] [2020-10-27 22:40:00,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-27 22:40:00,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:00,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-27 22:40:00,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 22:40:00,714 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand 36 states. [2020-10-27 22:40:04,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:04,269 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-27 22:40:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 22:40:04,270 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 105 [2020-10-27 22:40:04,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:04,272 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:40:04,272 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 22:40:04,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=201, Invalid=4491, Unknown=0, NotChecked=0, Total=4692 [2020-10-27 22:40:04,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 22:40:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-27 22:40:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-27 22:40:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-10-27 22:40:04,280 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 105 [2020-10-27 22:40:04,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:04,280 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-10-27 22:40:04,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-27 22:40:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-10-27 22:40:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:40:04,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:40:04,281 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:40:04,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:40:04,282 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:40:04,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:40:04,282 INFO L82 PathProgramCache]: Analyzing trace with hash -345411387, now seen corresponding path program 16 times [2020-10-27 22:40:04,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:40:04,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244413338] [2020-10-27 22:40:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:40:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:04,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:05,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1560 [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 22:40:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:40:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:05,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:40:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:05,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:05,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:05,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:40:05,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:05,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:40:05,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:05,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:40:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:05,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1186 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:40:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 980 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:40:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:09,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:40:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:09,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:09,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:09,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:09,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:40:09,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-10-27 22:40:09,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:40:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:40:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:09,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:09,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:40:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:10,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:10,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:10,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:40:10,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-27 22:40:10,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:40:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:40:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:10,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:10,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:40:11,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-27 22:40:11,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:40:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:40:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:11,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:40:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:40:11,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:11,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:11,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:11,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:11,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:40:11,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 22:40:11,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:40:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:11,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:40:11,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:40:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:40:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:40:12,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:40:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:40:12,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:40:12,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:40:12,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:12,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:12,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:12,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:40:12,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:40:12,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:12,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:40:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:13,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:13,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:13,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:40:13,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:40:13,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:40:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:13,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:13,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:13,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:13,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:40:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:40:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-27 22:40:13,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244413338] [2020-10-27 22:40:13,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:13,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-27 22:40:13,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183542058] [2020-10-27 22:40:13,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-27 22:40:13,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-27 22:40:13,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 22:40:13,297 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 38 states. [2020-10-27 22:40:17,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:17,234 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-27 22:40:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 22:40:17,235 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 111 [2020-10-27 22:40:17,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:17,236 INFO L225 Difference]: With dead ends: 73 [2020-10-27 22:40:17,236 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 22:40:17,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=213, Invalid=5043, Unknown=0, NotChecked=0, Total=5256 [2020-10-27 22:40:17,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 22:40:17,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-27 22:40:17,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 22:40:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-10-27 22:40:17,245 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 111 [2020-10-27 22:40:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:17,246 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-10-27 22:40:17,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-27 22:40:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-10-27 22:40:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 22:40:17,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:40:17,247 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:40:17,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:40:17,247 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:40:17,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:40:17,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1831747727, now seen corresponding path program 17 times [2020-10-27 22:40:17,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:40:17,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137444785] [2020-10-27 22:40:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:40:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:17,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:19,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:19,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:40:19,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1855 [2020-10-27 22:40:19,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 22:40:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-27 22:40:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:40:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:40:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:19,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:40:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:19,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1404 [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:40:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:40:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:20,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1200 [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:40:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:21,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:40:21,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:21,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:21,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:22,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:40:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:23,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 892 [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:40:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:40:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:24,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:40:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:24,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:24,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:25,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:25,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:40:25,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-27 22:40:25,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:40:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:40:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:25,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:25,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:40:25,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-27 22:40:25,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:40:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:40:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:25,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:26,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:26,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:40:26,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:26,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-27 22:40:26,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:40:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:26,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:40:26,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:26,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:26,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:26,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:40:26,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:26,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-27 22:40:26,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:40:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:40:26,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:26,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:26,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:40:26,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 22:40:26,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:40:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:40:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:40:27,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:27,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:40:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:27,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:27,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:40:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:40:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:27,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:40:27,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:27,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:27,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:40:27,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:27,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:40:27,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:40:27,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:27,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:27,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:27,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:40:27,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:40:27,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:40:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:28,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:40:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:28,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:28,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:28,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:28,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:40:28,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:40:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:40:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2020-10-27 22:40:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137444785] [2020-10-27 22:40:28,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:28,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-27 22:40:28,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838667498] [2020-10-27 22:40:28,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-27 22:40:28,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-27 22:40:28,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 22:40:28,319 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 40 states. [2020-10-27 22:40:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:32,622 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-27 22:40:32,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 22:40:32,623 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 117 [2020-10-27 22:40:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:32,624 INFO L225 Difference]: With dead ends: 76 [2020-10-27 22:40:32,624 INFO L226 Difference]: Without dead ends: 71 [2020-10-27 22:40:32,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=225, Invalid=5627, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 22:40:32,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-27 22:40:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-27 22:40:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-27 22:40:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2020-10-27 22:40:32,632 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 117 [2020-10-27 22:40:32,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:32,633 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2020-10-27 22:40:32,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-27 22:40:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2020-10-27 22:40:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 22:40:32,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:40:32,634 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:40:32,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 22:40:32,635 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:40:32,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:40:32,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1286539077, now seen corresponding path program 18 times [2020-10-27 22:40:32,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:40:32,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623070081] [2020-10-27 22:40:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:40:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:32,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:34,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1923 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 22:40:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:40:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:34,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:40:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:36,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:36,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:40:36,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:36,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1707 [2020-10-27 22:40:36,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:36,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:40:36,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:36,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:40:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:36,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:37,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:37,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1449 [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:40:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:37,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1182 [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:40:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:40:39,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:39,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:40:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 985 [2020-10-27 22:40:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:40:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:40:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:41,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:41,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:40:41,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-27 22:40:41,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:40:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:40:41,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:41,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:41,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:41,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:40:41,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-27 22:40:41,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:40:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:40:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:41,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:41,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:42,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:42,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:40:42,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-27 22:40:42,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:40:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:42,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:40:42,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:42,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:42,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:43,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:43,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:40:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:43,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:43,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:43,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:43,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:40:43,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:43,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-27 22:40:43,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:40:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:40:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:43,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:43,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:43,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:43,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:40:43,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:43,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-27 22:40:43,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:40:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:43,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:40:43,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:43,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:40:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:40:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:44,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:44,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:40:44,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 22:40:44,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:44,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:40:44,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:44,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:40:44,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:44,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:44,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:44,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:40:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:44,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:44,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:44,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:40:44,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 22:40:44,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:40:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:40:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:44,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:44,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:44,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:40:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:40:44,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:40:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:45,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:45,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:40:45,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:40:45,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:40:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:45,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:45,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:45,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:45,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:40:45,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:40:45,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:40:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:45,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:45,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:45,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:45,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:40:45,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:45,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:40:45,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:40:45,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:45,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:45,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:45,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:45,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:45,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:40:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:40:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-27 22:40:45,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623070081] [2020-10-27 22:40:45,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:45,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-27 22:40:45,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131788820] [2020-10-27 22:40:45,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-27 22:40:45,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:45,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-27 22:40:45,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 22:40:45,617 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 42 states. [2020-10-27 22:40:50,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:50,302 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-27 22:40:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 22:40:50,303 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 123 [2020-10-27 22:40:50,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:50,305 INFO L225 Difference]: With dead ends: 79 [2020-10-27 22:40:50,305 INFO L226 Difference]: Without dead ends: 74 [2020-10-27 22:40:50,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=237, Invalid=6243, Unknown=0, NotChecked=0, Total=6480 [2020-10-27 22:40:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-27 22:40:50,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-27 22:40:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 22:40:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-27 22:40:50,313 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 123 [2020-10-27 22:40:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:50,313 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-27 22:40:50,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-27 22:40:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-27 22:40:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 22:40:50,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:40:50,314 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:40:50,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 22:40:50,315 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:40:50,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:40:50,315 INFO L82 PathProgramCache]: Analyzing trace with hash 626937743, now seen corresponding path program 19 times [2020-10-27 22:40:50,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:40:50,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179680478] [2020-10-27 22:40:50,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:40:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:50,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2304 [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 22:40:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-27 22:40:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 22:40:52,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:40:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:52,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:52,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:52,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:40:52,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:40:52,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:52,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:52,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:40:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:54,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:54,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:40:54,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:54,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1953 [2020-10-27 22:40:54,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:54,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:40:54,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:54,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-27 22:40:54,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:54,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:56,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:56,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1674 [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:40:56,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:56,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:56,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:57,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:57,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:40:57,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:57,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1421 [2020-10-27 22:40:57,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:40:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:40:57,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:57,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:57,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:59,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:59,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:40:59,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1211 [2020-10-27 22:40:59,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:40:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:40:59,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:59,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:40:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:00,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:00,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:41:00,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-10-27 22:41:00,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:41:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:41:00,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:01,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:01,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:41:01,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:01,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 792 [2020-10-27 22:41:01,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:41:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:41:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:01,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:01,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:41:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:01,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:02,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:02,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:41:02,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:02,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:02,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:03,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:03,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:41:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:03,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:03,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:41:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:03,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:03,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:03,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:03,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:41:03,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-27 22:41:03,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:41:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:41:03,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:03,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:03,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:41:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:41:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:04,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:04,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:04,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:41:04,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:04,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 22:41:04,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:04,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:41:04,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:04,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:41:04,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:04,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:04,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:04,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:41:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:04,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:04,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:04,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:41:04,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:04,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 22:41:04,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:41:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:04,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:41:04,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:04,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:04,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:04,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:04,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:41:04,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:04,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:41:04,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:04,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:41:04,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:04,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:41:04,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:05,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:05,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:05,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:05,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:41:05,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:41:05,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:05,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:41:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:41:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:05,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:05,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:05,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:05,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:41:05,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:05,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:41:05,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:41:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:41:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:05,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:05,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:05,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:41:05,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:05,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:41:05,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:41:05,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:05,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:41:05,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:05,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:05,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:05,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:41:05,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:41:05,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:05,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:41:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:41:05,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-10-27 22:41:05,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179680478] [2020-10-27 22:41:05,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:41:05,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-27 22:41:05,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424739411] [2020-10-27 22:41:05,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-27 22:41:05,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:41:05,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-27 22:41:05,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 22:41:05,681 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 44 states. [2020-10-27 22:41:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:41:10,772 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-27 22:41:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 22:41:10,772 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 129 [2020-10-27 22:41:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:41:10,774 INFO L225 Difference]: With dead ends: 82 [2020-10-27 22:41:10,774 INFO L226 Difference]: Without dead ends: 77 [2020-10-27 22:41:10,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=249, Invalid=6891, Unknown=0, NotChecked=0, Total=7140 [2020-10-27 22:41:10,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-27 22:41:10,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-27 22:41:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-27 22:41:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2020-10-27 22:41:10,786 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 129 [2020-10-27 22:41:10,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:41:10,786 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2020-10-27 22:41:10,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-27 22:41:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2020-10-27 22:41:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 22:41:10,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:41:10,792 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:41:10,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 22:41:10,793 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:41:10,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:41:10,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1436396997, now seen corresponding path program 20 times [2020-10-27 22:41:10,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:41:10,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253024533] [2020-10-27 22:41:10,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:41:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:10,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2632 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 22:41:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:13,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:41:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:13,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:13,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:41:13,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:41:13,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:41:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:13,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:41:13,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:41:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:15,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:15,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:41:15,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:15,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2249 [2020-10-27 22:41:15,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:41:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 22:41:15,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:15,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:15,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:17,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1934 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-27 22:41:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:17,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:17,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1789 [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:19,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:41:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:19,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:19,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:21,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:21,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:41:21,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:21,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-10-27 22:41:21,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:41:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:41:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:21,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:21,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:22,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:22,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:41:22,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:22,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1186 [2020-10-27 22:41:22,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:22,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:41:22,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:22,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:41:22,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:22,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:22,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:23,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:23,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 963 [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:41:23,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:23,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:24,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:24,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:41:24,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:24,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-27 22:41:24,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:24,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:41:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:41:24,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:24,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:25,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:25,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:41:25,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:25,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-10-27 22:41:25,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:41:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:41:25,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:25,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:25,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:41:25,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-10-27 22:41:25,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:41:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:41:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:25,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:25,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:26,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:26,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:41:26,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-27 22:41:26,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:41:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:26,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:41:26,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:26,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:26,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:26,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:26,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:41:26,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-27 22:41:26,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:41:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:41:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:27,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:27,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:41:27,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-27 22:41:27,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:41:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:41:27,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:27,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:27,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:41:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:27,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:41:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:27,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:27,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:27,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:27,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:41:27,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:27,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 22:41:27,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:41:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:27,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:41:27,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:28,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:28,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:41:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:28,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:28,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:28,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:41:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:28,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:28,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:41:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:41:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:41:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:41:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:28,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:28,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:28,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:28,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:41:28,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:41:28,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:41:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:41:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:28,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:28,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:28,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:28,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:41:28,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:41:28,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:41:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:41:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:28,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:28,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:28,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:28,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:41:28,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:41:28,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:41:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:28,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:41:28,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:29,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-27 22:41:29,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253024533] [2020-10-27 22:41:29,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:41:29,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-27 22:41:29,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200443016] [2020-10-27 22:41:29,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-27 22:41:29,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:41:29,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-27 22:41:29,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 22:41:29,056 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 46 states. [2020-10-27 22:41:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:41:34,668 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-27 22:41:34,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-27 22:41:34,669 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 135 [2020-10-27 22:41:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:41:34,671 INFO L225 Difference]: With dead ends: 85 [2020-10-27 22:41:34,671 INFO L226 Difference]: Without dead ends: 80 [2020-10-27 22:41:34,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=261, Invalid=7571, Unknown=0, NotChecked=0, Total=7832 [2020-10-27 22:41:34,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-27 22:41:34,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-27 22:41:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-27 22:41:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-10-27 22:41:34,679 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 135 [2020-10-27 22:41:34,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:41:34,680 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-10-27 22:41:34,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-27 22:41:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-10-27 22:41:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 22:41:34,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:41:34,681 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:41:34,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 22:41:34,681 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:41:34,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:41:34,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1444475249, now seen corresponding path program 21 times [2020-10-27 22:41:34,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:41:34,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184877785] [2020-10-27 22:41:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:41:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:34,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:37,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:37,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:41:37,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:37,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3028 [2020-10-27 22:41:37,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:37,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 22:41:37,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 22:41:37,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 22:41:37,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:37,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:41:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:41:37,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:41:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:37,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2861 [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 22:41:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:40,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:40,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2260 [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 22:41:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:43,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:45,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1989 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-27 22:41:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:45,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:45,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:46,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1676 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:41:46,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:46,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:46,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1400 [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:48,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:41:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:48,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:49,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:41:49,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-27 22:41:49,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:41:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:41:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:49,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:49,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:41:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:41:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:50,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:51,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:51,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:41:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:51,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:51,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:52,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:52,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:41:52,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:52,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-27 22:41:52,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:41:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:41:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:52,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:52,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:52,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:41:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-27 22:41:52,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:41:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:41:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:52,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:52,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:41:53,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:53,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:41:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:53,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:53,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:53,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:53,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:41:53,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:53,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:53,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:54,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:54,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:41:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:54,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:54,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:54,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:41:54,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-27 22:41:54,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:41:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:54,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:41:54,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:54,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:41:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:41:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:54,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:54,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:41:54,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:55,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:55,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:41:55,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:55,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:55,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:55,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:55,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:41:55,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:55,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:55,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:41:55,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:55,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:55,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:55,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:41:55,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:41:55,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:41:55,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:55,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:41:55,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:55,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:55,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:55,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:41:55,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:41:55,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:41:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:41:55,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:41:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:41:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:41:55,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:41:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:41:55,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:41:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:41:55,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:41:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:41:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:41:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:41:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:41:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2020-10-27 22:41:56,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184877785] [2020-10-27 22:41:56,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:41:56,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-27 22:41:56,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113451990] [2020-10-27 22:41:56,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-27 22:41:56,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:41:56,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-27 22:41:56,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 22:41:56,152 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 48 states. [2020-10-27 22:42:02,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:42:02,293 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-27 22:42:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-27 22:42:02,297 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 141 [2020-10-27 22:42:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:42:02,298 INFO L225 Difference]: With dead ends: 88 [2020-10-27 22:42:02,298 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 22:42:02,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=273, Invalid=8283, Unknown=0, NotChecked=0, Total=8556 [2020-10-27 22:42:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 22:42:02,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-27 22:42:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 22:42:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2020-10-27 22:42:02,305 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 141 [2020-10-27 22:42:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:42:02,305 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2020-10-27 22:42:02,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-27 22:42:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2020-10-27 22:42:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 22:42:02,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:42:02,306 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:42:02,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 22:42:02,307 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:42:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:42:02,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1489069125, now seen corresponding path program 22 times [2020-10-27 22:42:02,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:42:02,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119753719] [2020-10-27 22:42:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:42:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:02,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3516 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 22:42:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:05,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:42:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:05,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:42:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:42:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:09,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:09,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:42:09,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:09,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3055 [2020-10-27 22:42:09,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:42:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 22:42:09,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:09,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:11,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2738 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 22:42:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:11,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:11,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:14,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2305 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 22:42:14,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:14,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:14,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1937 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-27 22:42:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:16,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:16,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:17,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:17,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 22:42:17,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1685 [2020-10-27 22:42:17,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 22:42:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-27 22:42:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:19,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:19,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 22:42:19,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1394 [2020-10-27 22:42:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 22:42:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 22:42:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:19,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:20,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1196 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 22:42:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:20,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:20,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:21,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:21,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 989 [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-27 22:42:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:21,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:21,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:22,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:22,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 22:42:22,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 789 [2020-10-27 22:42:22,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 22:42:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 22:42:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:23,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:42:23,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 659 [2020-10-27 22:42:23,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 22:42:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:23,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 22:42:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:23,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:23,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:24,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:42:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:24,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:24,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:24,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:24,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:42:24,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:24,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-27 22:42:24,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 22:42:24,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:24,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 22:42:24,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:24,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:25,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 22:42:25,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:25,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:25,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:25,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:42:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:25,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:25,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 22:42:25,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 22:42:25,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:42:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 22:42:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:25,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:25,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 22:42:25,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 22:42:25,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:25,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:42:25,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:25,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 22:42:25,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:26,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:26,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:26,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:26,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 22:42:26,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 22:42:26,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:42:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 22:42:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:26,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:26,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:26,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 22:42:26,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 22:42:26,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:42:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:42:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:26,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:26,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:26,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:26,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-27 22:42:26,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:26,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:42:26,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:42:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:42:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:26,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:26,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:26,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:26,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 22:42:26,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:42:26,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:26,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:42:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:42:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:26,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:26,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:26,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:42:26,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:26,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:42:26,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:42:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:26,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 22:42:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:27,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:27,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:27,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:27,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 22:42:27,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:27,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:42:27,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:42:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:42:27,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:27,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:27,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:27,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:42:27,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:42:27,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:27,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:42:27,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:27,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:42:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2020-10-27 22:42:27,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119753719] [2020-10-27 22:42:27,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:42:27,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-27 22:42:27,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513546887] [2020-10-27 22:42:27,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-27 22:42:27,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:42:27,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-27 22:42:27,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 22:42:27,504 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 50 states. [2020-10-27 22:42:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:42:34,139 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-27 22:42:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 22:42:34,139 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 147 [2020-10-27 22:42:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:42:34,141 INFO L225 Difference]: With dead ends: 91 [2020-10-27 22:42:34,141 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 22:42:34,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=285, Invalid=9027, Unknown=0, NotChecked=0, Total=9312 [2020-10-27 22:42:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 22:42:34,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-27 22:42:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 22:42:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2020-10-27 22:42:34,147 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 147 [2020-10-27 22:42:34,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:42:34,147 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2020-10-27 22:42:34,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-27 22:42:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2020-10-27 22:42:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 22:42:34,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:42:34,148 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:42:34,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 22:42:34,148 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:42:34,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:42:34,148 INFO L82 PathProgramCache]: Analyzing trace with hash 555515279, now seen corresponding path program 23 times [2020-10-27 22:42:34,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:42:34,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115550148] [2020-10-27 22:42:34,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:42:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:34,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4010 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 22:42:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:42:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:38,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:38,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:38,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:42:38,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:42:38,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:42:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:42:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:38,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:42:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:38,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:41,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3456 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-27 22:42:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:41,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3178 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 22:42:45,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:45,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:45,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2627 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 22:42:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:47,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:42:50,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2258 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 22:42:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:42:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:42:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:42:50,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking...