/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=SHALLOWEST --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/loop-invgen/down.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:38:07,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:38:07,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:38:07,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:38:07,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:38:07,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:38:07,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:38:07,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:38:07,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:38:07,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:38:07,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:38:07,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:38:07,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:38:07,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:38:07,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:38:07,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:38:07,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:38:07,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:38:07,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:38:07,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:38:07,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:38:07,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:38:07,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:38:07,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:38:07,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:38:07,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:38:07,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:38:07,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:38:07,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:38:07,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:38:07,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:38:07,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:38:07,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:38:07,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:38:07,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:38:07,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:38:07,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:38:07,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:38:07,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:38:07,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:38:07,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:38:07,789 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 01:38:07,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:38:07,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:38:07,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:38:07,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:38:07,826 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:38:07,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:38:07,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:38:07,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:38:07,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:38:07,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:38:07,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:38:07,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:38:07,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:38:07,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:38:07,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:38:07,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:38:07,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:38:07,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:38:07,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:38:07,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:38:07,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:38:07,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:38:07,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:38:07,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:38:07,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:38:07,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:38:07,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:38:07,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:38:07,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:38:07,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:38:08,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:38:08,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:38:08,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:38:08,307 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:38:08,310 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:38:08,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/down.i [2020-10-27 01:38:08,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e1355150/dbd159e4c9c34d618c06133769a94d3f/FLAGe847c970d [2020-10-27 01:38:09,070 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:38:09,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/down.i [2020-10-27 01:38:09,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e1355150/dbd159e4c9c34d618c06133769a94d3f/FLAGe847c970d [2020-10-27 01:38:09,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e1355150/dbd159e4c9c34d618c06133769a94d3f [2020-10-27 01:38:09,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:38:09,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:38:09,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:38:09,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:38:09,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:38:09,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58805749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09, skipping insertion in model container [2020-10-27 01:38:09,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:38:09,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:38:09,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:38:09,683 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:38:09,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:38:09,719 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:38:09,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09 WrapperNode [2020-10-27 01:38:09,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:38:09,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:38:09,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:38:09,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:38:09,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (1/1) ... [2020-10-27 01:38:09,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:38:09,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:38:09,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:38:09,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:38:09,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (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 01:38:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:38:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:38:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:38:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 01:38:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 01:38:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:38:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:38:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:38:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 01:38:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 01:38:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:38:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:38:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 01:38:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 01:38:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 01:38:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:38:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:38:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:38:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:38:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:38:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:38:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:38:10,292 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:38:10,293 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 01:38:10,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:38:10 BoogieIcfgContainer [2020-10-27 01:38:10,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:38:10,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:38:10,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:38:10,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:38:10,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:38:09" (1/3) ... [2020-10-27 01:38:10,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9c72eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:38:10, skipping insertion in model container [2020-10-27 01:38:10,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:38:09" (2/3) ... [2020-10-27 01:38:10,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9c72eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:38:10, skipping insertion in model container [2020-10-27 01:38:10,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:38:10" (3/3) ... [2020-10-27 01:38:10,308 INFO L111 eAbstractionObserver]: Analyzing ICFG down.i [2020-10-27 01:38:10,393 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:38:10,399 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:38:10,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:38:10,447 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:38:10,447 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:38:10,447 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:38:10,447 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:38:10,448 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:38:10,448 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:38:10,448 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:38:10,448 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:38:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-27 01:38:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 01:38:10,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:10,476 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:10,477 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:10,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:10,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1619931850, now seen corresponding path program 1 times [2020-10-27 01:38:10,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:10,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124613072] [2020-10-27 01:38:10,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:10,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:10,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 01:38:10,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-27 01:38:10,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:38:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:10,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 01:38:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:38:11,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:11,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:11,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:38:11,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:11,115 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 01:38:11,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124613072] [2020-10-27 01:38:11,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:11,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 01:38:11,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597614491] [2020-10-27 01:38:11,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 01:38:11,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:11,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 01:38:11,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 01:38:11,143 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 6 states. [2020-10-27 01:38:11,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:11,402 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2020-10-27 01:38:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:38:11,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 01:38:11,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:11,413 INFO L225 Difference]: With dead ends: 50 [2020-10-27 01:38:11,413 INFO L226 Difference]: Without dead ends: 20 [2020-10-27 01:38:11,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:38:11,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-10-27 01:38:11,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-27 01:38:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-27 01:38:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-27 01:38:11,466 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 15 [2020-10-27 01:38:11,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:11,467 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-27 01:38:11,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 01:38:11,467 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-27 01:38:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 01:38:11,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:11,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:11,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:38:11,469 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:11,470 INFO L82 PathProgramCache]: Analyzing trace with hash 869637850, now seen corresponding path program 1 times [2020-10-27 01:38:11,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:11,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851869229] [2020-10-27 01:38:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:11,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 01:38:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-27 01:38:11,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:38:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:38:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:11,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:11,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:11,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:11,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:11,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 01:38:11,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:11,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:11,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851869229] [2020-10-27 01:38:11,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:11,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 01:38:11,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571406296] [2020-10-27 01:38:11,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 01:38:11,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:11,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 01:38:11,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:38:11,856 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 7 states. [2020-10-27 01:38:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:12,187 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-10-27 01:38:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 01:38:12,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-27 01:38:12,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:12,191 INFO L225 Difference]: With dead ends: 34 [2020-10-27 01:38:12,191 INFO L226 Difference]: Without dead ends: 30 [2020-10-27 01:38:12,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:38:12,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-27 01:38:12,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2020-10-27 01:38:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-27 01:38:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-27 01:38:12,206 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 16 [2020-10-27 01:38:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:12,206 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-27 01:38:12,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 01:38:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-27 01:38:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 01:38:12,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:12,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:12,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:38:12,208 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:12,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1169273237, now seen corresponding path program 1 times [2020-10-27 01:38:12,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:12,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715517221] [2020-10-27 01:38:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:12,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 01:38:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 01:38:12,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:38:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 01:38:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:12,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:12,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:12,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 01:38:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:12,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:12,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:12,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:12,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:12,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715517221] [2020-10-27 01:38:12,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:12,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:38:12,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168069868] [2020-10-27 01:38:12,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:38:12,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:12,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:38:12,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:38:12,456 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 8 states. [2020-10-27 01:38:12,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:12,694 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-10-27 01:38:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 01:38:12,695 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-10-27 01:38:12,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:12,698 INFO L225 Difference]: With dead ends: 43 [2020-10-27 01:38:12,699 INFO L226 Difference]: Without dead ends: 27 [2020-10-27 01:38:12,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:38:12,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-27 01:38:12,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-27 01:38:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-27 01:38:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-27 01:38:12,718 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 23 [2020-10-27 01:38:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:12,720 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-27 01:38:12,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:38:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-27 01:38:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 01:38:12,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:12,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:12,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:38:12,723 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:12,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1584685255, now seen corresponding path program 2 times [2020-10-27 01:38:12,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:12,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506987620] [2020-10-27 01:38:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:12,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:12,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:12,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 01:38:12,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-27 01:38:12,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:38:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 01:38:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:13,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:13,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:13,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:13,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:13,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:13,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:38:13,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:13,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:38:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:13,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:13,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:13,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:13,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:13,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:13,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:13,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:13,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506987620] [2020-10-27 01:38:13,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:13,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:38:13,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180519772] [2020-10-27 01:38:13,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:38:13,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:13,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:38:13,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:38:13,097 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states. [2020-10-27 01:38:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:13,363 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-27 01:38:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:38:13,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-27 01:38:13,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:13,365 INFO L225 Difference]: With dead ends: 42 [2020-10-27 01:38:13,365 INFO L226 Difference]: Without dead ends: 38 [2020-10-27 01:38:13,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-27 01:38:13,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-27 01:38:13,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2020-10-27 01:38:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 01:38:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-27 01:38:13,376 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 24 [2020-10-27 01:38:13,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:13,376 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-27 01:38:13,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:38:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-27 01:38:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 01:38:13,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:13,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:13,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:38:13,378 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:13,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:13,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1412736938, now seen corresponding path program 3 times [2020-10-27 01:38:13,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:13,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759908865] [2020-10-27 01:38:13,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:13,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 01:38:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:13,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:13,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:13,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:38:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:13,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:13,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 01:38:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:13,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:13,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:13,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:13,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:13,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 01:38:13,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759908865] [2020-10-27 01:38:13,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:13,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:38:13,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078480268] [2020-10-27 01:38:13,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:38:13,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:13,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:38:13,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:38:13,653 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 10 states. [2020-10-27 01:38:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:14,017 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2020-10-27 01:38:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 01:38:14,019 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-10-27 01:38:14,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:14,020 INFO L225 Difference]: With dead ends: 54 [2020-10-27 01:38:14,021 INFO L226 Difference]: Without dead ends: 35 [2020-10-27 01:38:14,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-27 01:38:14,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-27 01:38:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-27 01:38:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 01:38:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-27 01:38:14,032 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 31 [2020-10-27 01:38:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:14,033 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-27 01:38:14,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:38:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-27 01:38:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-27 01:38:14,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:14,034 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:14,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 01:38:14,035 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:14,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1967088122, now seen corresponding path program 4 times [2020-10-27 01:38:14,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:14,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102669004] [2020-10-27 01:38:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:14,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:14,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 01:38:14,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:14,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-27 01:38:14,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:14,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 01:38:14,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:14,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 01:38:14,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 01:38:14,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:14,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:14,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:14,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:14,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:14,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 01:38:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:14,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:14,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:14,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:14,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:14,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:38:14,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 01:38:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:14,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:14,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:14,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:14,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:38:14,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 01:38:14,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102669004] [2020-10-27 01:38:14,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:14,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 01:38:14,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035696805] [2020-10-27 01:38:14,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 01:38:14,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:14,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 01:38:14,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:38:14,439 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 9 states. [2020-10-27 01:38:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:14,831 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2020-10-27 01:38:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:38:14,832 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2020-10-27 01:38:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:14,834 INFO L225 Difference]: With dead ends: 50 [2020-10-27 01:38:14,834 INFO L226 Difference]: Without dead ends: 46 [2020-10-27 01:38:14,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-27 01:38:14,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-27 01:38:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-10-27 01:38:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 01:38:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-27 01:38:14,845 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 32 [2020-10-27 01:38:14,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:14,846 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-27 01:38:14,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 01:38:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-27 01:38:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 01:38:14,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:14,847 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:14,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 01:38:14,848 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:14,848 INFO L82 PathProgramCache]: Analyzing trace with hash -847500683, now seen corresponding path program 5 times [2020-10-27 01:38:14,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:14,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050642347] [2020-10-27 01:38:14,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:14,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 01:38:15,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 01:38:15,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 01:38:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 01:38:15,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:15,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:15,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:15,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:15,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 01:38:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:15,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:15,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:15,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:15,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:15,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 01:38:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:15,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:15,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:38:15,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:15,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:15,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 01:38:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:15,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:15,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:38:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 01:38:15,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050642347] [2020-10-27 01:38:15,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:15,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 01:38:15,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187993472] [2020-10-27 01:38:15,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 01:38:15,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:15,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 01:38:15,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:38:15,156 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 12 states. [2020-10-27 01:38:15,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:15,674 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2020-10-27 01:38:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 01:38:15,675 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2020-10-27 01:38:15,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:15,677 INFO L225 Difference]: With dead ends: 65 [2020-10-27 01:38:15,677 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 01:38:15,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-27 01:38:15,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 01:38:15,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 01:38:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 01:38:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-27 01:38:15,689 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 39 [2020-10-27 01:38:15,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:15,690 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-27 01:38:15,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 01:38:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-27 01:38:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 01:38:15,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:15,691 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:15,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 01:38:15,692 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:15,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:15,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1185828889, now seen corresponding path program 6 times [2020-10-27 01:38:15,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:15,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590604235] [2020-10-27 01:38:15,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:15,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 01:38:15,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-27 01:38:15,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 01:38:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 01:38:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:15,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:15,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:15,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:15,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:15,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:15,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:16,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-27 01:38:16,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 01:38:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:16,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 01:38:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:16,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 01:38:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:16,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 01:38:16,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590604235] [2020-10-27 01:38:16,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:16,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:38:16,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832346813] [2020-10-27 01:38:16,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:38:16,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:16,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:38:16,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:38:16,052 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 10 states. [2020-10-27 01:38:16,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:16,428 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2020-10-27 01:38:16,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 01:38:16,429 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-10-27 01:38:16,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:16,430 INFO L225 Difference]: With dead ends: 58 [2020-10-27 01:38:16,430 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 01:38:16,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-27 01:38:16,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 01:38:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2020-10-27 01:38:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 01:38:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-27 01:38:16,443 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 40 [2020-10-27 01:38:16,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:16,443 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-27 01:38:16,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:38:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-27 01:38:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 01:38:16,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:16,445 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:16,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 01:38:16,446 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:16,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:16,446 INFO L82 PathProgramCache]: Analyzing trace with hash 273279862, now seen corresponding path program 7 times [2020-10-27 01:38:16,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:16,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1197011719] [2020-10-27 01:38:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 01:38:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-27 01:38:16,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 01:38:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 01:38:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:16,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:16,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 01:38:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:16,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 01:38:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:16,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 01:38:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:38:16,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:38:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:16,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:16,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:16,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:16,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:16,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 01:38:16,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1197011719] [2020-10-27 01:38:16,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:16,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 01:38:16,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124068612] [2020-10-27 01:38:16,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 01:38:16,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:16,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 01:38:16,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-27 01:38:16,847 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 14 states. [2020-10-27 01:38:17,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:17,439 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2020-10-27 01:38:17,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 01:38:17,440 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2020-10-27 01:38:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:17,441 INFO L225 Difference]: With dead ends: 76 [2020-10-27 01:38:17,442 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 01:38:17,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2020-10-27 01:38:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 01:38:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-27 01:38:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-27 01:38:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-27 01:38:17,454 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 47 [2020-10-27 01:38:17,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:17,454 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-27 01:38:17,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 01:38:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-27 01:38:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-27 01:38:17,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:17,456 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:17,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 01:38:17,456 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash 392047898, now seen corresponding path program 8 times [2020-10-27 01:38:17,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:17,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287159855] [2020-10-27 01:38:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:17,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 01:38:17,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:17,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-27 01:38:17,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 01:38:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 01:38:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:17,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:17,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:17,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:17,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:17,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:17,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:17,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:17,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:17,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 01:38:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:17,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:17,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:17,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:17,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:17,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 01:38:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:17,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:17,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:17,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:17,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:17,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 01:38:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:17,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:17,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:17,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:17,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:17,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:17,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:17,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:38:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:17,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 01:38:17,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287159855] [2020-10-27 01:38:17,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:17,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 01:38:17,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097011317] [2020-10-27 01:38:17,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 01:38:17,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:17,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 01:38:17,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:38:17,890 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 11 states. [2020-10-27 01:38:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:18,292 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2020-10-27 01:38:18,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 01:38:18,293 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-10-27 01:38:18,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:18,294 INFO L225 Difference]: With dead ends: 66 [2020-10-27 01:38:18,294 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 01:38:18,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-10-27 01:38:18,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 01:38:18,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2020-10-27 01:38:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 01:38:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2020-10-27 01:38:18,306 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 48 [2020-10-27 01:38:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:18,307 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2020-10-27 01:38:18,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 01:38:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2020-10-27 01:38:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 01:38:18,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:18,308 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:18,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 01:38:18,308 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:18,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1202152619, now seen corresponding path program 9 times [2020-10-27 01:38:18,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:18,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134460551] [2020-10-27 01:38:18,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 01:38:18,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-27 01:38:18,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 01:38:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 01:38:18,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:18,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:18,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:18,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:18,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:18,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 01:38:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:18,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:18,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 01:38:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:18,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:18,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 01:38:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:18,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:18,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:38:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:18,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:18,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:38:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:18,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:18,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:18,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:18,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:18,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:18,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 01:38:18,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134460551] [2020-10-27 01:38:18,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:18,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 01:38:18,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458636440] [2020-10-27 01:38:18,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 01:38:18,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:18,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 01:38:18,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-27 01:38:18,872 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 16 states. [2020-10-27 01:38:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:19,456 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2020-10-27 01:38:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 01:38:19,456 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 55 [2020-10-27 01:38:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:19,458 INFO L225 Difference]: With dead ends: 87 [2020-10-27 01:38:19,458 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 01:38:19,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2020-10-27 01:38:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 01:38:19,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-27 01:38:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 01:38:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2020-10-27 01:38:19,472 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 55 [2020-10-27 01:38:19,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:19,473 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2020-10-27 01:38:19,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 01:38:19,473 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2020-10-27 01:38:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 01:38:19,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:19,474 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:19,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 01:38:19,475 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:19,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:19,475 INFO L82 PathProgramCache]: Analyzing trace with hash -948766471, now seen corresponding path program 10 times [2020-10-27 01:38:19,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:19,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310103508] [2020-10-27 01:38:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 01:38:19,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:19,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-27 01:38:19,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 01:38:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 01:38:19,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:19,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:19,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:19,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 01:38:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 01:38:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:19,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:19,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:19,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:38:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:19,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:19,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:19,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:19,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:38:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:38:20,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:20,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:38:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:20,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:20,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:20,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 01:38:20,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310103508] [2020-10-27 01:38:20,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:20,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 01:38:20,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799698594] [2020-10-27 01:38:20,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 01:38:20,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:20,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 01:38:20,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:38:20,028 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 12 states. [2020-10-27 01:38:20,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:20,503 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2020-10-27 01:38:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 01:38:20,503 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2020-10-27 01:38:20,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:20,504 INFO L225 Difference]: With dead ends: 74 [2020-10-27 01:38:20,505 INFO L226 Difference]: Without dead ends: 70 [2020-10-27 01:38:20,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:38:20,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-27 01:38:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2020-10-27 01:38:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 01:38:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-27 01:38:20,521 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 56 [2020-10-27 01:38:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:20,521 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-27 01:38:20,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 01:38:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-27 01:38:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 01:38:20,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:20,529 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:20,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 01:38:20,529 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:20,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:20,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1786804586, now seen corresponding path program 11 times [2020-10-27 01:38:20,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:20,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588059574] [2020-10-27 01:38:20,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:20,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:20,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-27 01:38:20,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-10-27 01:38:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 01:38:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 01:38:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 01:38:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:21,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:21,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 01:38:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:21,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:21,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:38:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:21,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:38:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:21,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:21,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:21,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:21,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:38:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:21,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:38:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:21,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:21,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:21,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:21,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 01:38:21,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588059574] [2020-10-27 01:38:21,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:21,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 01:38:21,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997144480] [2020-10-27 01:38:21,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 01:38:21,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:21,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 01:38:21,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-27 01:38:21,238 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 18 states. [2020-10-27 01:38:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:22,074 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2020-10-27 01:38:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 01:38:22,075 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 63 [2020-10-27 01:38:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:22,076 INFO L225 Difference]: With dead ends: 98 [2020-10-27 01:38:22,076 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 01:38:22,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=249, Invalid=807, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 01:38:22,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 01:38:22,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-27 01:38:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-27 01:38:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2020-10-27 01:38:22,090 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 63 [2020-10-27 01:38:22,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:22,090 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2020-10-27 01:38:22,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 01:38:22,090 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2020-10-27 01:38:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 01:38:22,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:22,092 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:22,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 01:38:22,092 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:22,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:22,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1027342278, now seen corresponding path program 12 times [2020-10-27 01:38:22,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:22,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999936579] [2020-10-27 01:38:22,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-27 01:38:22,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-27 01:38:22,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 01:38:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:22,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 01:38:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:22,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:22,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 01:38:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:22,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:22,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:22,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:38:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:22,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:22,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:22,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:22,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 01:38:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:22,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:38:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:22,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:22,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:38:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:22,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:22,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:38:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:22,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:22,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:22,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:22,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:22,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:22,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:22,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:22,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:22,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 01:38:22,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999936579] [2020-10-27 01:38:22,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:22,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 01:38:22,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332918495] [2020-10-27 01:38:22,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 01:38:22,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:22,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 01:38:22,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:38:22,675 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 13 states. [2020-10-27 01:38:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:23,176 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2020-10-27 01:38:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 01:38:23,176 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 64 [2020-10-27 01:38:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:23,178 INFO L225 Difference]: With dead ends: 82 [2020-10-27 01:38:23,178 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 01:38:23,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-27 01:38:23,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 01:38:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2020-10-27 01:38:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-27 01:38:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-27 01:38:23,198 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 64 [2020-10-27 01:38:23,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:23,198 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-27 01:38:23,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 01:38:23,199 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-27 01:38:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 01:38:23,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:23,202 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:23,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 01:38:23,202 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:23,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:23,204 INFO L82 PathProgramCache]: Analyzing trace with hash -176880587, now seen corresponding path program 13 times [2020-10-27 01:38:23,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:23,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427065185] [2020-10-27 01:38:23,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:23,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:23,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 01:38:23,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 549 [2020-10-27 01:38:23,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:23,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 01:38:23,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:23,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 01:38:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:24,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 01:38:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:38:24,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:38:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:24,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 01:38:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:24,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:38:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:24,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:38:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:24,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:38:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:24,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:38:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:24,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:24,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:24,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:24,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:24,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 01:38:24,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427065185] [2020-10-27 01:38:24,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:24,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 01:38:24,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937161548] [2020-10-27 01:38:24,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 01:38:24,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:24,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 01:38:24,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-27 01:38:24,097 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 20 states. [2020-10-27 01:38:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:24,930 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2020-10-27 01:38:24,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 01:38:24,932 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 71 [2020-10-27 01:38:24,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:24,933 INFO L225 Difference]: With dead ends: 109 [2020-10-27 01:38:24,933 INFO L226 Difference]: Without dead ends: 75 [2020-10-27 01:38:24,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=307, Invalid=1025, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 01:38:24,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-27 01:38:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-27 01:38:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-27 01:38:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-27 01:38:24,951 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 71 [2020-10-27 01:38:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:24,951 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-27 01:38:24,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 01:38:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-27 01:38:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-27 01:38:24,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:24,958 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:24,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 01:38:24,959 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:24,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:24,959 INFO L82 PathProgramCache]: Analyzing trace with hash -217605671, now seen corresponding path program 14 times [2020-10-27 01:38:24,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:24,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126325445] [2020-10-27 01:38:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:24,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 01:38:25,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-27 01:38:25,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 01:38:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:25,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 01:38:25,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:25,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:38:25,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:25,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 01:38:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 01:38:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:38:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:38:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:38:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:25,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:38:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:38:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:25,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:25,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:25,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:25,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:25,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:25,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:25,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-27 01:38:25,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126325445] [2020-10-27 01:38:25,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:25,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 01:38:25,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377165773] [2020-10-27 01:38:25,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 01:38:25,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:25,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 01:38:25,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-27 01:38:25,628 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 14 states. [2020-10-27 01:38:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:26,193 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2020-10-27 01:38:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 01:38:26,194 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 72 [2020-10-27 01:38:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:26,195 INFO L225 Difference]: With dead ends: 90 [2020-10-27 01:38:26,196 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 01:38:26,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2020-10-27 01:38:26,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 01:38:26,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2020-10-27 01:38:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-27 01:38:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2020-10-27 01:38:26,207 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 72 [2020-10-27 01:38:26,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:26,208 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2020-10-27 01:38:26,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 01:38:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2020-10-27 01:38:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 01:38:26,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:26,209 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:26,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 01:38:26,210 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:26,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:26,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1669453386, now seen corresponding path program 15 times [2020-10-27 01:38:26,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:26,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996614361] [2020-10-27 01:38:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 01:38:26,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-27 01:38:26,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 01:38:26,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:26,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 01:38:26,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 01:38:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:26,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 01:38:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:38:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:38:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:38:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:38:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:38:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:26,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:38:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:26,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:26,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:26,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 116 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-27 01:38:27,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996614361] [2020-10-27 01:38:27,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:27,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 01:38:27,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674554967] [2020-10-27 01:38:27,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 01:38:27,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:27,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 01:38:27,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:38:27,002 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 22 states. [2020-10-27 01:38:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:28,084 INFO L93 Difference]: Finished difference Result 120 states and 130 transitions. [2020-10-27 01:38:28,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 01:38:28,084 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 79 [2020-10-27 01:38:28,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:28,086 INFO L225 Difference]: With dead ends: 120 [2020-10-27 01:38:28,086 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 01:38:28,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=371, Invalid=1269, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 01:38:28,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 01:38:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-27 01:38:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 01:38:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2020-10-27 01:38:28,106 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 79 [2020-10-27 01:38:28,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:28,107 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2020-10-27 01:38:28,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 01:38:28,107 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2020-10-27 01:38:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 01:38:28,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:28,108 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:28,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 01:38:28,108 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:28,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:28,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1199383718, now seen corresponding path program 16 times [2020-10-27 01:38:28,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:28,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420206496] [2020-10-27 01:38:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 01:38:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:28,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:38:28,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:28,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 01:38:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:38:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 01:38:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:28,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:38:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:28,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:38:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:28,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 01:38:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:28,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:28,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 01:38:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 01:38:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:28,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 01:38:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:28,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:28,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 52 proven. 109 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-27 01:38:28,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420206496] [2020-10-27 01:38:28,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:28,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 01:38:28,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982433686] [2020-10-27 01:38:28,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 01:38:28,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:28,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 01:38:28,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-27 01:38:28,902 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 15 states. [2020-10-27 01:38:29,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:29,527 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-10-27 01:38:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 01:38:29,527 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80 [2020-10-27 01:38:29,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:29,529 INFO L225 Difference]: With dead ends: 95 [2020-10-27 01:38:29,529 INFO L226 Difference]: Without dead ends: 91 [2020-10-27 01:38:29,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2020-10-27 01:38:29,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-27 01:38:29,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2020-10-27 01:38:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-27 01:38:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-27 01:38:29,550 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 80 [2020-10-27 01:38:29,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:29,551 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-27 01:38:29,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 01:38:29,551 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-27 01:38:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 01:38:29,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:29,553 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:29,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 01:38:29,554 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:29,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1266640149, now seen corresponding path program 17 times [2020-10-27 01:38:29,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:29,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265229528] [2020-10-27 01:38:29,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:29,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 01:38:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-27 01:38:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 01:38:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 01:38:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:30,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:38:30,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 01:38:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 01:38:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:30,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:38:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:30,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:38:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:30,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 01:38:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:30,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 01:38:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 01:38:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:30,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 01:38:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:30,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 01:38:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:30,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:30,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:30,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:38:30,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 144 proven. 45 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 01:38:30,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265229528] [2020-10-27 01:38:30,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:30,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 01:38:30,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309756308] [2020-10-27 01:38:30,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 01:38:30,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:30,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 01:38:30,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-27 01:38:30,490 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 24 states. [2020-10-27 01:38:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:31,728 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2020-10-27 01:38:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 01:38:31,729 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 87 [2020-10-27 01:38:31,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:31,730 INFO L225 Difference]: With dead ends: 131 [2020-10-27 01:38:31,731 INFO L226 Difference]: Without dead ends: 91 [2020-10-27 01:38:31,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=441, Invalid=1539, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 01:38:31,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-27 01:38:31,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-27 01:38:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-27 01:38:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 92 transitions. [2020-10-27 01:38:31,744 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 92 transitions. Word has length 87 [2020-10-27 01:38:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:31,745 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 92 transitions. [2020-10-27 01:38:31,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 01:38:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2020-10-27 01:38:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 01:38:31,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:31,746 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:31,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 01:38:31,746 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:31,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:31,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1880765113, now seen corresponding path program 18 times [2020-10-27 01:38:31,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:31,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583853194] [2020-10-27 01:38:31,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:31,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:32,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 01:38:32,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:32,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:32,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 01:38:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 01:38:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:38:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:38:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:38:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 01:38:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:38:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:32,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 01:38:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 01:38:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:32,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:32,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:32,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:32,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 73 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-27 01:38:32,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583853194] [2020-10-27 01:38:32,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:32,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 01:38:32,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110067379] [2020-10-27 01:38:32,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 01:38:32,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:32,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 01:38:32,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-10-27 01:38:32,533 INFO L87 Difference]: Start difference. First operand 91 states and 92 transitions. Second operand 16 states. [2020-10-27 01:38:33,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:33,268 INFO L93 Difference]: Finished difference Result 106 states and 108 transitions. [2020-10-27 01:38:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 01:38:33,268 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2020-10-27 01:38:33,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:33,270 INFO L225 Difference]: With dead ends: 106 [2020-10-27 01:38:33,270 INFO L226 Difference]: Without dead ends: 102 [2020-10-27 01:38:33,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-27 01:38:33,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-27 01:38:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2020-10-27 01:38:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-27 01:38:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-10-27 01:38:33,283 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 88 [2020-10-27 01:38:33,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:33,292 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-10-27 01:38:33,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 01:38:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-10-27 01:38:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 01:38:33,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:33,294 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:33,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 01:38:33,294 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:33,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1054332118, now seen corresponding path program 19 times [2020-10-27 01:38:33,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:33,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196359179] [2020-10-27 01:38:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:33,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:33,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 01:38:33,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-27 01:38:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 01:38:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 01:38:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 01:38:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 01:38:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:38:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:38:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:38:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 01:38:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:38:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 01:38:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 01:38:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 01:38:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:34,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:34,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:34,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 175 proven. 55 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 01:38:34,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196359179] [2020-10-27 01:38:34,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:34,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 01:38:34,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623928359] [2020-10-27 01:38:34,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 01:38:34,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:34,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 01:38:34,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-27 01:38:34,325 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 26 states. [2020-10-27 01:38:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:35,794 INFO L93 Difference]: Finished difference Result 142 states and 154 transitions. [2020-10-27 01:38:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 01:38:35,794 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 95 [2020-10-27 01:38:35,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:35,796 INFO L225 Difference]: With dead ends: 142 [2020-10-27 01:38:35,796 INFO L226 Difference]: Without dead ends: 99 [2020-10-27 01:38:35,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=517, Invalid=1835, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 01:38:35,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-27 01:38:35,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-10-27 01:38:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-27 01:38:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2020-10-27 01:38:35,815 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 95 [2020-10-27 01:38:35,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:35,816 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2020-10-27 01:38:35,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 01:38:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2020-10-27 01:38:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 01:38:35,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:35,817 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:35,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 01:38:35,817 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:35,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:35,818 INFO L82 PathProgramCache]: Analyzing trace with hash -231948678, now seen corresponding path program 20 times [2020-10-27 01:38:35,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:35,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549827808] [2020-10-27 01:38:35,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:35,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 01:38:36,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-27 01:38:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 01:38:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 01:38:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:36,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:36,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 01:38:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 01:38:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:38:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:38:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:38:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 01:38:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:38:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 01:38:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 01:38:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 01:38:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:36,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:36,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:36,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 86 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-27 01:38:36,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549827808] [2020-10-27 01:38:36,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:36,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 01:38:36,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105339057] [2020-10-27 01:38:36,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 01:38:36,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:36,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 01:38:36,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2020-10-27 01:38:36,832 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. Second operand 17 states. [2020-10-27 01:38:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:37,587 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2020-10-27 01:38:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 01:38:37,590 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2020-10-27 01:38:37,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:37,592 INFO L225 Difference]: With dead ends: 114 [2020-10-27 01:38:37,592 INFO L226 Difference]: Without dead ends: 110 [2020-10-27 01:38:37,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=292, Invalid=700, Unknown=0, NotChecked=0, Total=992 [2020-10-27 01:38:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-27 01:38:37,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2020-10-27 01:38:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 01:38:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-27 01:38:37,605 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 96 [2020-10-27 01:38:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:37,605 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-27 01:38:37,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 01:38:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-27 01:38:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-27 01:38:37,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:37,607 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:37,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 01:38:37,616 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:37,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:37,617 INFO L82 PathProgramCache]: Analyzing trace with hash 950386165, now seen corresponding path program 21 times [2020-10-27 01:38:37,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:37,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889047913] [2020-10-27 01:38:37,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:37,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 01:38:38,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-27 01:38:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 01:38:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 01:38:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:38,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:38,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:38,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 01:38:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 01:38:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:38:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:38:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:38:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:38:38,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 01:38:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:38:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 01:38:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 01:38:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 01:38:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 01:38:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 209 proven. 66 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 01:38:38,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889047913] [2020-10-27 01:38:38,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:38,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 01:38:38,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601270745] [2020-10-27 01:38:38,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 01:38:38,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:38,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 01:38:38,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-27 01:38:38,937 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 28 states. [2020-10-27 01:38:40,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:40,632 INFO L93 Difference]: Finished difference Result 153 states and 166 transitions. [2020-10-27 01:38:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 01:38:40,634 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 103 [2020-10-27 01:38:40,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:40,635 INFO L225 Difference]: With dead ends: 153 [2020-10-27 01:38:40,636 INFO L226 Difference]: Without dead ends: 107 [2020-10-27 01:38:40,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=599, Invalid=2157, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 01:38:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-27 01:38:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-10-27 01:38:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-27 01:38:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 108 transitions. [2020-10-27 01:38:40,658 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 108 transitions. Word has length 103 [2020-10-27 01:38:40,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:40,659 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 108 transitions. [2020-10-27 01:38:40,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 01:38:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2020-10-27 01:38:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-27 01:38:40,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:40,662 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:40,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 01:38:40,662 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:40,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1663515751, now seen corresponding path program 22 times [2020-10-27 01:38:40,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:40,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475939632] [2020-10-27 01:38:40,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:40,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 01:38:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 771 [2020-10-27 01:38:41,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 01:38:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 01:38:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:41,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:41,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 01:38:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 01:38:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:38:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:38:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:38:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:38:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 01:38:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:38:41,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 01:38:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 01:38:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 01:38:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 01:38:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:41,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:41,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:41,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:41,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:41,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:41,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:41,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 100 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-27 01:38:41,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475939632] [2020-10-27 01:38:41,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:41,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 01:38:41,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539701922] [2020-10-27 01:38:41,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 01:38:41,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:41,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 01:38:41,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2020-10-27 01:38:41,831 INFO L87 Difference]: Start difference. First operand 107 states and 108 transitions. Second operand 18 states. [2020-10-27 01:38:42,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:42,638 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2020-10-27 01:38:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 01:38:42,639 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 104 [2020-10-27 01:38:42,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:42,641 INFO L225 Difference]: With dead ends: 122 [2020-10-27 01:38:42,641 INFO L226 Difference]: Without dead ends: 118 [2020-10-27 01:38:42,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=727, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 01:38:42,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-27 01:38:42,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2020-10-27 01:38:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-27 01:38:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 115 transitions. [2020-10-27 01:38:42,657 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 115 transitions. Word has length 104 [2020-10-27 01:38:42,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:42,657 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 115 transitions. [2020-10-27 01:38:42,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 01:38:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 115 transitions. [2020-10-27 01:38:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 01:38:42,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:42,659 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:42,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 01:38:42,659 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:42,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:42,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1855883254, now seen corresponding path program 23 times [2020-10-27 01:38:42,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:42,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402036833] [2020-10-27 01:38:42,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:43,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:43,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 01:38:43,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-27 01:38:43,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-27 01:38:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-27 01:38:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:44,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 01:38:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 01:38:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:38:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:38:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:38:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:38:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 01:38:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:44,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 01:38:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 01:38:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 01:38:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:44,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 01:38:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 01:38:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:44,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:44,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:44,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:44,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:44,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:44,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 246 proven. 78 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-27 01:38:44,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402036833] [2020-10-27 01:38:44,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:44,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 01:38:44,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404994409] [2020-10-27 01:38:44,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 01:38:44,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:44,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 01:38:44,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-27 01:38:44,164 INFO L87 Difference]: Start difference. First operand 114 states and 115 transitions. Second operand 30 states. [2020-10-27 01:38:45,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:45,960 INFO L93 Difference]: Finished difference Result 164 states and 178 transitions. [2020-10-27 01:38:45,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 01:38:45,961 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 111 [2020-10-27 01:38:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:45,962 INFO L225 Difference]: With dead ends: 164 [2020-10-27 01:38:45,962 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 01:38:45,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=687, Invalid=2505, Unknown=0, NotChecked=0, Total=3192 [2020-10-27 01:38:45,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 01:38:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-27 01:38:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-27 01:38:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2020-10-27 01:38:45,981 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 111 [2020-10-27 01:38:45,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:45,981 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2020-10-27 01:38:45,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 01:38:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2020-10-27 01:38:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 01:38:45,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:45,984 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:45,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-27 01:38:45,984 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:45,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:45,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1104390554, now seen corresponding path program 24 times [2020-10-27 01:38:45,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:45,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313943797] [2020-10-27 01:38:45,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:46,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:46,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:46,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 01:38:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-10-27 01:38:46,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-27 01:38:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 01:38:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:47,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:47,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:47,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 01:38:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:38:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:38:47,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:38:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:38:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:38:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 01:38:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 01:38:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:38:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 01:38:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 01:38:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 01:38:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 01:38:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:47,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:47,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 115 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-27 01:38:47,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313943797] [2020-10-27 01:38:47,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:47,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 01:38:47,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655679352] [2020-10-27 01:38:47,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 01:38:47,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:47,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 01:38:47,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2020-10-27 01:38:47,235 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 19 states. [2020-10-27 01:38:48,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:48,155 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2020-10-27 01:38:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 01:38:48,155 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2020-10-27 01:38:48,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:48,158 INFO L225 Difference]: With dead ends: 130 [2020-10-27 01:38:48,158 INFO L226 Difference]: Without dead ends: 126 [2020-10-27 01:38:48,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=379, Invalid=881, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 01:38:48,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-27 01:38:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2020-10-27 01:38:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-27 01:38:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2020-10-27 01:38:48,173 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 112 [2020-10-27 01:38:48,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:48,174 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2020-10-27 01:38:48,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 01:38:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2020-10-27 01:38:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 01:38:48,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:48,175 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:48,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-27 01:38:48,175 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:48,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:48,176 INFO L82 PathProgramCache]: Analyzing trace with hash -761917739, now seen corresponding path program 25 times [2020-10-27 01:38:48,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:48,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983617898] [2020-10-27 01:38:48,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:48,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 01:38:49,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 830 [2020-10-27 01:38:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 01:38:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:49,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 01:38:49,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:49,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:49,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 01:38:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:49,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:38:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:38:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:38:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:49,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:38:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:49,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 01:38:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 01:38:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:38:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 01:38:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 01:38:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 01:38:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 01:38:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:38:49,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:49,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 01:38:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:49,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:49,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:49,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:49,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:49,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 286 proven. 91 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-27 01:38:49,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983617898] [2020-10-27 01:38:49,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:49,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 01:38:49,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100851850] [2020-10-27 01:38:49,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 01:38:49,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:49,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 01:38:49,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-27 01:38:49,802 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand 32 states. [2020-10-27 01:38:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:51,828 INFO L93 Difference]: Finished difference Result 175 states and 190 transitions. [2020-10-27 01:38:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 01:38:51,828 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 119 [2020-10-27 01:38:51,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:51,830 INFO L225 Difference]: With dead ends: 175 [2020-10-27 01:38:51,830 INFO L226 Difference]: Without dead ends: 123 [2020-10-27 01:38:51,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=781, Invalid=2879, Unknown=0, NotChecked=0, Total=3660 [2020-10-27 01:38:51,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-27 01:38:51,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-10-27 01:38:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-27 01:38:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2020-10-27 01:38:51,854 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 119 [2020-10-27 01:38:51,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:51,855 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2020-10-27 01:38:51,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 01:38:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2020-10-27 01:38:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 01:38:51,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:51,856 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:51,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-27 01:38:51,856 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:51,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:51,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1861307513, now seen corresponding path program 26 times [2020-10-27 01:38:51,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:51,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802641912] [2020-10-27 01:38:51,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:52,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:52,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 01:38:52,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-10-27 01:38:52,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 01:38:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 01:38:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:53,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:53,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:38:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 01:38:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:38:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:38:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:38:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:38:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 01:38:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 01:38:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 01:38:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 01:38:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:53,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 01:38:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 01:38:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 01:38:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:53,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:53,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:53,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:53,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:53,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:53,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:53,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 131 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-27 01:38:53,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802641912] [2020-10-27 01:38:53,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:53,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 01:38:53,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932408248] [2020-10-27 01:38:53,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 01:38:53,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:53,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 01:38:53,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2020-10-27 01:38:53,183 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand 20 states. [2020-10-27 01:38:54,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:54,140 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2020-10-27 01:38:54,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 01:38:54,141 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 120 [2020-10-27 01:38:54,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:54,143 INFO L225 Difference]: With dead ends: 138 [2020-10-27 01:38:54,143 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 01:38:54,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=422, Invalid=910, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 01:38:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 01:38:54,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2020-10-27 01:38:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-27 01:38:54,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-10-27 01:38:54,160 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 120 [2020-10-27 01:38:54,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:54,160 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-10-27 01:38:54,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 01:38:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-10-27 01:38:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 01:38:54,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:54,162 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:54,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-27 01:38:54,162 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:54,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:54,163 INFO L82 PathProgramCache]: Analyzing trace with hash 375669526, now seen corresponding path program 27 times [2020-10-27 01:38:54,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:54,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513547776] [2020-10-27 01:38:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:54,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 01:38:55,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 824 [2020-10-27 01:38:55,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 01:38:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-27 01:38:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:55,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:55,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:38:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 01:38:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:38:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:38:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:38:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:38:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 01:38:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 01:38:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 01:38:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 01:38:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 01:38:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 01:38:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 01:38:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 01:38:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:55,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:55,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 329 proven. 105 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-27 01:38:55,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513547776] [2020-10-27 01:38:55,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:55,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 01:38:55,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464553036] [2020-10-27 01:38:55,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 01:38:55,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:55,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 01:38:55,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 01:38:55,805 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand 34 states. [2020-10-27 01:38:58,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:58,062 INFO L93 Difference]: Finished difference Result 186 states and 202 transitions. [2020-10-27 01:38:58,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 01:38:58,063 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 127 [2020-10-27 01:38:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:58,065 INFO L225 Difference]: With dead ends: 186 [2020-10-27 01:38:58,065 INFO L226 Difference]: Without dead ends: 131 [2020-10-27 01:38:58,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=881, Invalid=3279, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 01:38:58,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-27 01:38:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-27 01:38:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-27 01:38:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 132 transitions. [2020-10-27 01:38:58,084 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 132 transitions. Word has length 127 [2020-10-27 01:38:58,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:58,084 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 132 transitions. [2020-10-27 01:38:58,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 01:38:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2020-10-27 01:38:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 01:38:58,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:58,085 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:58,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-27 01:38:58,086 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:58,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:58,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1913232570, now seen corresponding path program 28 times [2020-10-27 01:38:58,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:58,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902595848] [2020-10-27 01:38:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:58,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:58,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 01:38:58,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 742 [2020-10-27 01:38:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 01:38:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:38:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 01:38:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:59,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:59,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 01:38:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:38:59,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:38:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:59,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:59,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:38:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:38:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:38:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:38:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:59,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:38:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 01:38:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 01:38:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:59,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 01:38:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:59,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 01:38:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 01:38:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:38:59,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 01:38:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:59,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 01:38:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:59,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:59,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:59,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:38:59,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:59,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:38:59,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:59,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:38:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:38:59,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 148 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-27 01:38:59,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902595848] [2020-10-27 01:38:59,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:38:59,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 01:38:59,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501691195] [2020-10-27 01:38:59,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 01:38:59,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:59,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 01:38:59,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=261, Unknown=0, NotChecked=0, Total=420 [2020-10-27 01:38:59,318 INFO L87 Difference]: Start difference. First operand 131 states and 132 transitions. Second operand 21 states. [2020-10-27 01:39:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:00,351 INFO L93 Difference]: Finished difference Result 146 states and 148 transitions. [2020-10-27 01:39:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 01:39:00,352 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 128 [2020-10-27 01:39:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:00,354 INFO L225 Difference]: With dead ends: 146 [2020-10-27 01:39:00,354 INFO L226 Difference]: Without dead ends: 142 [2020-10-27 01:39:00,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=473, Invalid=1009, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 01:39:00,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-27 01:39:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2020-10-27 01:39:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-27 01:39:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 139 transitions. [2020-10-27 01:39:00,373 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 139 transitions. Word has length 128 [2020-10-27 01:39:00,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:00,374 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 139 transitions. [2020-10-27 01:39:00,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 01:39:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 139 transitions. [2020-10-27 01:39:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 01:39:00,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:00,375 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:00,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-27 01:39:00,375 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:00,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:00,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1501669451, now seen corresponding path program 29 times [2020-10-27 01:39:00,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:00,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90413519] [2020-10-27 01:39:00,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:01,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:01,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 989 [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 01:39:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 01:39:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:02,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:39:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:39:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:39:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:39:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:39:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:39:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 01:39:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 01:39:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:02,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 01:39:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:02,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 01:39:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 01:39:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 01:39:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 01:39:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 01:39:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:02,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:02,179 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 375 proven. 120 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-27 01:39:02,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90413519] [2020-10-27 01:39:02,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:02,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-27 01:39:02,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638985206] [2020-10-27 01:39:02,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-27 01:39:02,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:02,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-27 01:39:02,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 01:39:02,182 INFO L87 Difference]: Start difference. First operand 138 states and 139 transitions. Second operand 36 states. [2020-10-27 01:39:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:04,566 INFO L93 Difference]: Finished difference Result 197 states and 214 transitions. [2020-10-27 01:39:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 01:39:04,568 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 135 [2020-10-27 01:39:04,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:04,572 INFO L225 Difference]: With dead ends: 197 [2020-10-27 01:39:04,572 INFO L226 Difference]: Without dead ends: 139 [2020-10-27 01:39:04,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=987, Invalid=3705, Unknown=0, NotChecked=0, Total=4692 [2020-10-27 01:39:04,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-27 01:39:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-27 01:39:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-27 01:39:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 140 transitions. [2020-10-27 01:39:04,596 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 140 transitions. Word has length 135 [2020-10-27 01:39:04,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:04,596 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 140 transitions. [2020-10-27 01:39:04,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-27 01:39:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2020-10-27 01:39:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 01:39:04,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:04,598 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:04,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-27 01:39:04,599 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:04,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:04,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1402064217, now seen corresponding path program 30 times [2020-10-27 01:39:04,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:04,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717406744] [2020-10-27 01:39:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:04,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:05,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:05,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 01:39:05,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-27 01:39:05,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-27 01:39:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 01:39:05,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:06,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:06,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 01:39:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:39:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:39:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 01:39:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 01:39:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:06,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 01:39:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 01:39:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 01:39:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 01:39:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:06,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 01:39:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 01:39:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 01:39:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:06,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 01:39:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:06,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 01:39:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:06,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 01:39:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:06,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:06,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:06,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:06,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:06,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:06,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 166 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-27 01:39:06,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717406744] [2020-10-27 01:39:06,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:06,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 01:39:06,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471871672] [2020-10-27 01:39:06,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 01:39:06,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:06,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 01:39:06,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=285, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:39:06,221 INFO L87 Difference]: Start difference. First operand 139 states and 140 transitions. Second operand 22 states. [2020-10-27 01:39:07,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:07,264 INFO L93 Difference]: Finished difference Result 154 states and 156 transitions. [2020-10-27 01:39:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 01:39:07,265 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 136 [2020-10-27 01:39:07,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:07,267 INFO L225 Difference]: With dead ends: 154 [2020-10-27 01:39:07,267 INFO L226 Difference]: Without dead ends: 150 [2020-10-27 01:39:07,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=527, Invalid=1113, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 01:39:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-27 01:39:07,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2020-10-27 01:39:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-27 01:39:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 147 transitions. [2020-10-27 01:39:07,291 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 147 transitions. Word has length 136 [2020-10-27 01:39:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:07,291 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 147 transitions. [2020-10-27 01:39:07,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 01:39:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 147 transitions. [2020-10-27 01:39:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-27 01:39:07,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:07,292 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:07,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-27 01:39:07,293 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:07,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:07,293 INFO L82 PathProgramCache]: Analyzing trace with hash 960169526, now seen corresponding path program 31 times [2020-10-27 01:39:07,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:07,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898829566] [2020-10-27 01:39:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:08,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:08,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 01:39:08,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:08,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1178 [2020-10-27 01:39:08,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:08,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 01:39:08,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:08,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 01:39:08,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 01:39:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:39:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:39:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 01:39:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 01:39:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 01:39:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 01:39:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 01:39:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 01:39:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 01:39:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 01:39:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 01:39:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 01:39:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:09,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 01:39:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:09,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 01:39:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:09,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 01:39:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:09,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:09,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 424 proven. 136 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-27 01:39:09,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898829566] [2020-10-27 01:39:09,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:09,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-27 01:39:09,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206194114] [2020-10-27 01:39:09,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-27 01:39:09,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:09,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-27 01:39:09,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 01:39:09,430 INFO L87 Difference]: Start difference. First operand 146 states and 147 transitions. Second operand 38 states. [2020-10-27 01:39:12,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:12,190 INFO L93 Difference]: Finished difference Result 208 states and 226 transitions. [2020-10-27 01:39:12,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 01:39:12,191 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 143 [2020-10-27 01:39:12,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:12,193 INFO L225 Difference]: With dead ends: 208 [2020-10-27 01:39:12,193 INFO L226 Difference]: Without dead ends: 147 [2020-10-27 01:39:12,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1099, Invalid=4157, Unknown=0, NotChecked=0, Total=5256 [2020-10-27 01:39:12,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-27 01:39:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-10-27 01:39:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-27 01:39:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 148 transitions. [2020-10-27 01:39:12,213 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 148 transitions. Word has length 143 [2020-10-27 01:39:12,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:12,213 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 148 transitions. [2020-10-27 01:39:12,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-27 01:39:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2020-10-27 01:39:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 01:39:12,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:12,215 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:12,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-27 01:39:12,215 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:12,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1709217754, now seen corresponding path program 32 times [2020-10-27 01:39:12,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:12,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812864513] [2020-10-27 01:39:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:12,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 01:39:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:13,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:39:13,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 01:39:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:39:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:13,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:39:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:39:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 01:39:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:39:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 01:39:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:13,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 01:39:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 01:39:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 01:39:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 01:39:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:13,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 01:39:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 01:39:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 01:39:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 01:39:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:39:13,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 01:39:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:13,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:13,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:13,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:13,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:13,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:13,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:13,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 185 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-27 01:39:13,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812864513] [2020-10-27 01:39:13,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:13,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 01:39:13,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400234011] [2020-10-27 01:39:13,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 01:39:13,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:13,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 01:39:13,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=310, Unknown=0, NotChecked=0, Total=506 [2020-10-27 01:39:13,804 INFO L87 Difference]: Start difference. First operand 147 states and 148 transitions. Second operand 23 states. [2020-10-27 01:39:14,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:14,998 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2020-10-27 01:39:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 01:39:14,999 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 144 [2020-10-27 01:39:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:15,001 INFO L225 Difference]: With dead ends: 162 [2020-10-27 01:39:15,001 INFO L226 Difference]: Without dead ends: 158 [2020-10-27 01:39:15,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=1222, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 01:39:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-27 01:39:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2020-10-27 01:39:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-27 01:39:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 155 transitions. [2020-10-27 01:39:15,021 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 155 transitions. Word has length 144 [2020-10-27 01:39:15,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:15,022 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 155 transitions. [2020-10-27 01:39:15,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 01:39:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 155 transitions. [2020-10-27 01:39:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 01:39:15,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:15,023 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:15,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-27 01:39:15,023 INFO L429 AbstractCegarLoop]: === Iteration 35 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:15,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1727227755, now seen corresponding path program 33 times [2020-10-27 01:39:15,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:15,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379063161] [2020-10-27 01:39:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:15,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:15,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:15,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 930 [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-27 01:39:15,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:16,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:16,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 01:39:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:39:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:39:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:39:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 01:39:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:39:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 01:39:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 01:39:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 01:39:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 01:39:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 01:39:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 01:39:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 01:39:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:16,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 01:39:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 01:39:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:16,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 01:39:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 01:39:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:16,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:16,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:16,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:16,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 476 proven. 153 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-27 01:39:17,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379063161] [2020-10-27 01:39:17,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:17,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-27 01:39:17,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725665045] [2020-10-27 01:39:17,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-27 01:39:17,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:17,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-27 01:39:17,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1177, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 01:39:17,009 INFO L87 Difference]: Start difference. First operand 154 states and 155 transitions. Second operand 40 states. [2020-10-27 01:39:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:20,002 INFO L93 Difference]: Finished difference Result 219 states and 238 transitions. [2020-10-27 01:39:20,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 01:39:20,003 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 151 [2020-10-27 01:39:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:20,005 INFO L225 Difference]: With dead ends: 219 [2020-10-27 01:39:20,005 INFO L226 Difference]: Without dead ends: 155 [2020-10-27 01:39:20,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1217, Invalid=4635, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 01:39:20,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-27 01:39:20,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-10-27 01:39:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-27 01:39:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 156 transitions. [2020-10-27 01:39:20,025 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 156 transitions. Word has length 151 [2020-10-27 01:39:20,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:20,026 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 156 transitions. [2020-10-27 01:39:20,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-27 01:39:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2020-10-27 01:39:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 01:39:20,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:20,027 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:20,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-27 01:39:20,027 INFO L429 AbstractCegarLoop]: === Iteration 36 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:20,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:20,028 INFO L82 PathProgramCache]: Analyzing trace with hash 258491961, now seen corresponding path program 34 times [2020-10-27 01:39:20,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:20,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014804026] [2020-10-27 01:39:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:20,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:20,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:20,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 01:39:20,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:20,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 936 [2020-10-27 01:39:20,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:20,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-27 01:39:20,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:20,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 01:39:20,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 01:39:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:39:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:39:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:39:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 01:39:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:39:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 01:39:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 01:39:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 01:39:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 01:39:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 01:39:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 01:39:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 01:39:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 01:39:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 01:39:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 01:39:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 01:39:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:21,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:21,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:21,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:21,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:21,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:21,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:21,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 205 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-27 01:39:21,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014804026] [2020-10-27 01:39:21,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:21,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 01:39:21,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91403842] [2020-10-27 01:39:21,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 01:39:21,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:21,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 01:39:21,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=336, Unknown=0, NotChecked=0, Total=552 [2020-10-27 01:39:21,519 INFO L87 Difference]: Start difference. First operand 155 states and 156 transitions. Second operand 24 states. [2020-10-27 01:39:22,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:22,792 INFO L93 Difference]: Finished difference Result 170 states and 172 transitions. [2020-10-27 01:39:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 01:39:22,793 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 152 [2020-10-27 01:39:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:22,795 INFO L225 Difference]: With dead ends: 170 [2020-10-27 01:39:22,795 INFO L226 Difference]: Without dead ends: 166 [2020-10-27 01:39:22,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=644, Invalid=1336, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 01:39:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-27 01:39:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2020-10-27 01:39:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-27 01:39:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 163 transitions. [2020-10-27 01:39:22,815 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 163 transitions. Word has length 152 [2020-10-27 01:39:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:22,815 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 163 transitions. [2020-10-27 01:39:22,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 01:39:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 163 transitions. [2020-10-27 01:39:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 01:39:22,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:22,817 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:22,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-27 01:39:22,817 INFO L429 AbstractCegarLoop]: === Iteration 37 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:22,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 313839958, now seen corresponding path program 35 times [2020-10-27 01:39:22,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:22,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13548552] [2020-10-27 01:39:22,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 978 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-27 01:39:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 01:39:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:39:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:39:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:39:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 01:39:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:39:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 01:39:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 01:39:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 01:39:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 01:39:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 01:39:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 01:39:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 01:39:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 01:39:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 01:39:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 01:39:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 01:39:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 01:39:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:24,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:24,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:24,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:24,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:24,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:24,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:24,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 531 proven. 171 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-27 01:39:24,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13548552] [2020-10-27 01:39:24,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:24,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-27 01:39:24,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646343900] [2020-10-27 01:39:24,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-27 01:39:24,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:24,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-27 01:39:24,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1299, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 01:39:24,942 INFO L87 Difference]: Start difference. First operand 162 states and 163 transitions. Second operand 42 states. [2020-10-27 01:39:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:28,157 INFO L93 Difference]: Finished difference Result 230 states and 250 transitions. [2020-10-27 01:39:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 01:39:28,158 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 159 [2020-10-27 01:39:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:28,160 INFO L225 Difference]: With dead ends: 230 [2020-10-27 01:39:28,161 INFO L226 Difference]: Without dead ends: 163 [2020-10-27 01:39:28,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1341, Invalid=5139, Unknown=0, NotChecked=0, Total=6480 [2020-10-27 01:39:28,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-27 01:39:28,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-10-27 01:39:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-27 01:39:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 164 transitions. [2020-10-27 01:39:28,183 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 164 transitions. Word has length 159 [2020-10-27 01:39:28,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:28,183 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 164 transitions. [2020-10-27 01:39:28,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-27 01:39:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2020-10-27 01:39:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 01:39:28,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:28,185 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:28,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-27 01:39:28,185 INFO L429 AbstractCegarLoop]: === Iteration 38 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:28,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:28,186 INFO L82 PathProgramCache]: Analyzing trace with hash 954899194, now seen corresponding path program 36 times [2020-10-27 01:39:28,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:28,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606601315] [2020-10-27 01:39:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:28,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 01:39:29,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-27 01:39:29,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 01:39:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-27 01:39:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:29,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:29,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:29,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 01:39:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:39:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:29,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:39:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:29,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:39:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:29,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:39:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 01:39:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 01:39:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:29,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 01:39:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:29,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:29,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 01:39:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:29,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:29,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:29,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:29,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:29,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 01:39:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 01:39:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:30,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 01:39:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 01:39:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 01:39:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 01:39:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 01:39:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 01:39:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 01:39:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:30,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 226 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-27 01:39:30,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606601315] [2020-10-27 01:39:30,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:30,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 01:39:30,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616742419] [2020-10-27 01:39:30,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 01:39:30,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:30,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 01:39:30,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=363, Unknown=0, NotChecked=0, Total=600 [2020-10-27 01:39:30,081 INFO L87 Difference]: Start difference. First operand 163 states and 164 transitions. Second operand 25 states. [2020-10-27 01:39:31,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:31,452 INFO L93 Difference]: Finished difference Result 178 states and 180 transitions. [2020-10-27 01:39:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 01:39:31,453 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 160 [2020-10-27 01:39:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:31,455 INFO L225 Difference]: With dead ends: 178 [2020-10-27 01:39:31,455 INFO L226 Difference]: Without dead ends: 174 [2020-10-27 01:39:31,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=712, Invalid=1544, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 01:39:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-27 01:39:31,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 170. [2020-10-27 01:39:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-27 01:39:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 171 transitions. [2020-10-27 01:39:31,477 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 171 transitions. Word has length 160 [2020-10-27 01:39:31,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:31,477 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 171 transitions. [2020-10-27 01:39:31,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 01:39:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 171 transitions. [2020-10-27 01:39:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 01:39:31,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:31,479 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:31,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-27 01:39:31,479 INFO L429 AbstractCegarLoop]: === Iteration 39 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:31,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:31,480 INFO L82 PathProgramCache]: Analyzing trace with hash -965815947, now seen corresponding path program 37 times [2020-10-27 01:39:31,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:31,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621261711] [2020-10-27 01:39:31,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:31,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:32,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:32,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-27 01:39:32,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1195 [2020-10-27 01:39:32,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:32,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 01:39:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-27 01:39:32,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:33,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:39:33,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 01:39:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:39:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:39:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:39:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:39:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 01:39:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 01:39:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 01:39:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 01:39:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 01:39:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 01:39:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 01:39:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 01:39:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 01:39:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 01:39:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 01:39:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:33,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 01:39:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 01:39:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 01:39:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:33,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 589 proven. 190 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-27 01:39:33,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621261711] [2020-10-27 01:39:33,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:33,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-27 01:39:33,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310771245] [2020-10-27 01:39:33,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-27 01:39:33,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:33,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-27 01:39:33,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 01:39:33,855 INFO L87 Difference]: Start difference. First operand 170 states and 171 transitions. Second operand 44 states. [2020-10-27 01:39:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:37,367 INFO L93 Difference]: Finished difference Result 241 states and 262 transitions. [2020-10-27 01:39:37,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 01:39:37,368 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 167 [2020-10-27 01:39:37,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:37,370 INFO L225 Difference]: With dead ends: 241 [2020-10-27 01:39:37,371 INFO L226 Difference]: Without dead ends: 171 [2020-10-27 01:39:37,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1471, Invalid=5669, Unknown=0, NotChecked=0, Total=7140 [2020-10-27 01:39:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-27 01:39:37,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-10-27 01:39:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-27 01:39:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 172 transitions. [2020-10-27 01:39:37,394 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 172 transitions. Word has length 167 [2020-10-27 01:39:37,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:37,395 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 172 transitions. [2020-10-27 01:39:37,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-27 01:39:37,395 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2020-10-27 01:39:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 01:39:37,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:37,396 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:37,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-27 01:39:37,396 INFO L429 AbstractCegarLoop]: === Iteration 40 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:37,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:37,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1633503463, now seen corresponding path program 38 times [2020-10-27 01:39:37,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:37,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143173189] [2020-10-27 01:39:37,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:37,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:38,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:38,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1201 [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-27 01:39:38,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:39,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:39:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:39:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:39:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:39:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 01:39:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 01:39:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:39:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 01:39:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 01:39:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 01:39:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 01:39:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 01:39:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 01:39:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:39,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 01:39:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 01:39:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 01:39:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 01:39:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 01:39:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 01:39:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:39,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:39,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:39,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:39,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:39,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 248 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-27 01:39:39,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143173189] [2020-10-27 01:39:39,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:39,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-27 01:39:39,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166770558] [2020-10-27 01:39:39,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-27 01:39:39,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:39,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-27 01:39:39,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=391, Unknown=0, NotChecked=0, Total=650 [2020-10-27 01:39:39,229 INFO L87 Difference]: Start difference. First operand 171 states and 172 transitions. Second operand 26 states. [2020-10-27 01:39:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:40,692 INFO L93 Difference]: Finished difference Result 186 states and 188 transitions. [2020-10-27 01:39:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 01:39:40,693 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 168 [2020-10-27 01:39:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:40,695 INFO L225 Difference]: With dead ends: 186 [2020-10-27 01:39:40,695 INFO L226 Difference]: Without dead ends: 182 [2020-10-27 01:39:40,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=778, Invalid=1672, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 01:39:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-27 01:39:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2020-10-27 01:39:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-27 01:39:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2020-10-27 01:39:40,718 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 168 [2020-10-27 01:39:40,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:40,718 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2020-10-27 01:39:40,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-27 01:39:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2020-10-27 01:39:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-27 01:39:40,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:40,720 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:40,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-27 01:39:40,720 INFO L429 AbstractCegarLoop]: === Iteration 41 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:40,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:40,720 INFO L82 PathProgramCache]: Analyzing trace with hash 920888438, now seen corresponding path program 39 times [2020-10-27 01:39:40,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:40,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853299049] [2020-10-27 01:39:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:40,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1372 [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:43,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:43,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:43,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:43,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:39:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:39:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:39:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:39:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 01:39:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 01:39:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:39:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 01:39:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 01:39:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 01:39:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 01:39:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 01:39:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 01:39:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 01:39:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 01:39:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 01:39:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 01:39:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 01:39:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 01:39:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 01:39:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:43,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:43,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:43,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:43,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:43,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:43,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:43,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 650 proven. 210 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 01:39:43,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853299049] [2020-10-27 01:39:43,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:43,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-27 01:39:43,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209811845] [2020-10-27 01:39:43,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-27 01:39:43,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:43,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-27 01:39:43,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1561, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 01:39:43,441 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand 46 states. [2020-10-27 01:39:47,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:47,267 INFO L93 Difference]: Finished difference Result 252 states and 274 transitions. [2020-10-27 01:39:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-27 01:39:47,268 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 175 [2020-10-27 01:39:47,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:47,270 INFO L225 Difference]: With dead ends: 252 [2020-10-27 01:39:47,270 INFO L226 Difference]: Without dead ends: 179 [2020-10-27 01:39:47,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1607, Invalid=6225, Unknown=0, NotChecked=0, Total=7832 [2020-10-27 01:39:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-27 01:39:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2020-10-27 01:39:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-27 01:39:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 180 transitions. [2020-10-27 01:39:47,291 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 180 transitions. Word has length 175 [2020-10-27 01:39:47,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:47,291 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 180 transitions. [2020-10-27 01:39:47,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-27 01:39:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2020-10-27 01:39:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 01:39:47,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:47,293 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:47,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-27 01:39:47,293 INFO L429 AbstractCegarLoop]: === Iteration 42 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:47,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:47,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1597613594, now seen corresponding path program 40 times [2020-10-27 01:39:47,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:47,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336537024] [2020-10-27 01:39:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-27 01:39:49,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2033 [2020-10-27 01:39:49,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-27 01:39:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-27 01:39:49,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 01:39:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:39:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:39:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:39:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:39:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 01:39:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 01:39:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 01:39:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 01:39:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 01:39:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 01:39:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 01:39:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 01:39:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 01:39:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 01:39:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 01:39:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 01:39:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 01:39:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 01:39:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 01:39:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 271 proven. 610 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-27 01:39:50,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [336537024] [2020-10-27 01:39:50,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:50,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 01:39:50,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636880938] [2020-10-27 01:39:50,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 01:39:50,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:50,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 01:39:50,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=420, Unknown=0, NotChecked=0, Total=702 [2020-10-27 01:39:50,005 INFO L87 Difference]: Start difference. First operand 179 states and 180 transitions. Second operand 27 states. [2020-10-27 01:39:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:51,574 INFO L93 Difference]: Finished difference Result 194 states and 196 transitions. [2020-10-27 01:39:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 01:39:51,575 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 176 [2020-10-27 01:39:51,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:51,578 INFO L225 Difference]: With dead ends: 194 [2020-10-27 01:39:51,578 INFO L226 Difference]: Without dead ends: 190 [2020-10-27 01:39:51,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=847, Invalid=1805, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 01:39:51,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-27 01:39:51,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186. [2020-10-27 01:39:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 01:39:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 187 transitions. [2020-10-27 01:39:51,604 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 187 transitions. Word has length 176 [2020-10-27 01:39:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:51,604 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 187 transitions. [2020-10-27 01:39:51,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 01:39:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 187 transitions. [2020-10-27 01:39:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 01:39:51,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:51,606 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:51,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-27 01:39:51,606 INFO L429 AbstractCegarLoop]: === Iteration 43 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:51,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:51,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1649607253, now seen corresponding path program 41 times [2020-10-27 01:39:51,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:51,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322776574] [2020-10-27 01:39:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:51,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:53,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1494 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-27 01:39:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:54,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 01:39:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:39:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:39:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:39:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:39:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 01:39:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 01:39:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 01:39:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:54,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 01:39:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 01:39:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:54,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 01:39:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 01:39:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 01:39:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 01:39:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 01:39:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 01:39:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 01:39:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 01:39:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 01:39:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 01:39:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 01:39:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:54,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:54,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:39:54,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:39:54,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:39:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:39:54,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 714 proven. 231 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-27 01:39:54,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322776574] [2020-10-27 01:39:54,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:39:54,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-27 01:39:54,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140509879] [2020-10-27 01:39:54,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-27 01:39:54,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:54,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-27 01:39:54,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 01:39:54,584 INFO L87 Difference]: Start difference. First operand 186 states and 187 transitions. Second operand 48 states. [2020-10-27 01:39:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:58,748 INFO L93 Difference]: Finished difference Result 263 states and 286 transitions. [2020-10-27 01:39:58,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-27 01:39:58,749 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 183 [2020-10-27 01:39:58,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:58,751 INFO L225 Difference]: With dead ends: 263 [2020-10-27 01:39:58,751 INFO L226 Difference]: Without dead ends: 187 [2020-10-27 01:39:58,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1749, Invalid=6807, Unknown=0, NotChecked=0, Total=8556 [2020-10-27 01:39:58,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-27 01:39:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-27 01:39:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-27 01:39:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 188 transitions. [2020-10-27 01:39:58,776 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 188 transitions. Word has length 183 [2020-10-27 01:39:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:58,776 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 188 transitions. [2020-10-27 01:39:58,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-27 01:39:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 188 transitions. [2020-10-27 01:39:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 01:39:58,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:58,778 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:58,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-27 01:39:58,778 INFO L429 AbstractCegarLoop]: === Iteration 44 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:58,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:58,779 INFO L82 PathProgramCache]: Analyzing trace with hash 351215609, now seen corresponding path program 42 times [2020-10-27 01:39:58,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:58,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112215849] [2020-10-27 01:39:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:58,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1695 [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-27 01:40:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:01,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:01,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:01,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:40:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:40:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:40:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:40:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:40:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:40:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 01:40:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 01:40:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 01:40:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 01:40:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 01:40:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 01:40:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 01:40:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 01:40:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 01:40:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 01:40:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 01:40:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 01:40:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 01:40:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 01:40:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 01:40:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 295 proven. 672 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-27 01:40:01,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112215849] [2020-10-27 01:40:01,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:01,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 01:40:01,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372061747] [2020-10-27 01:40:01,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 01:40:01,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:01,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 01:40:01,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=450, Unknown=0, NotChecked=0, Total=756 [2020-10-27 01:40:01,165 INFO L87 Difference]: Start difference. First operand 187 states and 188 transitions. Second operand 28 states. [2020-10-27 01:40:02,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:02,764 INFO L93 Difference]: Finished difference Result 202 states and 204 transitions. [2020-10-27 01:40:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 01:40:02,764 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 184 [2020-10-27 01:40:02,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:02,766 INFO L225 Difference]: With dead ends: 202 [2020-10-27 01:40:02,767 INFO L226 Difference]: Without dead ends: 198 [2020-10-27 01:40:02,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=914, Invalid=1842, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 01:40:02,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-27 01:40:02,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2020-10-27 01:40:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-27 01:40:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2020-10-27 01:40:02,790 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 195 transitions. Word has length 184 [2020-10-27 01:40:02,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:02,790 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 195 transitions. [2020-10-27 01:40:02,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 01:40:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 195 transitions. [2020-10-27 01:40:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-27 01:40:02,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:02,791 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:02,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-27 01:40:02,791 INFO L429 AbstractCegarLoop]: === Iteration 45 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:02,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1302757482, now seen corresponding path program 43 times [2020-10-27 01:40:02,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:02,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606391856] [2020-10-27 01:40:02,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:02,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:04,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 01:40:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1415 [2020-10-27 01:40:04,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-27 01:40:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-27 01:40:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:05,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:40:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:40:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:40:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:40:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:40:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:40:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 01:40:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 01:40:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 01:40:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 01:40:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 01:40:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 01:40:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 01:40:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 01:40:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 01:40:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 01:40:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 01:40:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 01:40:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 01:40:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 01:40:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 01:40:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 01:40:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:05,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 781 proven. 253 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 01:40:05,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606391856] [2020-10-27 01:40:05,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:05,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-27 01:40:05,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869255638] [2020-10-27 01:40:05,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-27 01:40:05,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-27 01:40:05,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=1847, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 01:40:05,802 INFO L87 Difference]: Start difference. First operand 194 states and 195 transitions. Second operand 50 states. [2020-10-27 01:40:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:10,269 INFO L93 Difference]: Finished difference Result 274 states and 298 transitions. [2020-10-27 01:40:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 01:40:10,270 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 191 [2020-10-27 01:40:10,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:10,272 INFO L225 Difference]: With dead ends: 274 [2020-10-27 01:40:10,273 INFO L226 Difference]: Without dead ends: 195 [2020-10-27 01:40:10,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2112 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1897, Invalid=7415, Unknown=0, NotChecked=0, Total=9312 [2020-10-27 01:40:10,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-27 01:40:10,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-10-27 01:40:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-27 01:40:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 196 transitions. [2020-10-27 01:40:10,301 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 196 transitions. Word has length 191 [2020-10-27 01:40:10,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:10,301 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 196 transitions. [2020-10-27 01:40:10,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-27 01:40:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 196 transitions. [2020-10-27 01:40:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 01:40:10,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:10,303 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:10,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-27 01:40:10,303 INFO L429 AbstractCegarLoop]: === Iteration 46 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:10,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:10,303 INFO L82 PathProgramCache]: Analyzing trace with hash -983582406, now seen corresponding path program 44 times [2020-10-27 01:40:10,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:10,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893895635] [2020-10-27 01:40:10,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:11,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1533 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-27 01:40:11,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:40:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:40:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 01:40:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 01:40:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 01:40:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 01:40:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 01:40:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 01:40:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 01:40:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 01:40:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 01:40:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 01:40:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 01:40:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 01:40:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 01:40:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 01:40:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 01:40:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 01:40:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:12,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 01:40:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 01:40:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 01:40:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 01:40:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:12,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:12,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 320 proven. 737 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-27 01:40:12,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893895635] [2020-10-27 01:40:12,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:12,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 01:40:12,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480423988] [2020-10-27 01:40:12,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 01:40:12,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:12,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 01:40:12,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=481, Unknown=0, NotChecked=0, Total=812 [2020-10-27 01:40:12,590 INFO L87 Difference]: Start difference. First operand 195 states and 196 transitions. Second operand 29 states. [2020-10-27 01:40:14,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:14,259 INFO L93 Difference]: Finished difference Result 210 states and 212 transitions. [2020-10-27 01:40:14,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 01:40:14,260 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 192 [2020-10-27 01:40:14,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:14,263 INFO L225 Difference]: With dead ends: 210 [2020-10-27 01:40:14,263 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 01:40:14,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=989, Invalid=1981, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 01:40:14,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 01:40:14,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2020-10-27 01:40:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-27 01:40:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 203 transitions. [2020-10-27 01:40:14,294 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 203 transitions. Word has length 192 [2020-10-27 01:40:14,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:14,295 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 203 transitions. [2020-10-27 01:40:14,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 01:40:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 203 transitions. [2020-10-27 01:40:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-27 01:40:14,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:14,296 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:14,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-27 01:40:14,297 INFO L429 AbstractCegarLoop]: === Iteration 47 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:14,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1746457803, now seen corresponding path program 45 times [2020-10-27 01:40:14,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:14,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419939064] [2020-10-27 01:40:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:14,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:15,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:15,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 01:40:15,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:15,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1569 [2020-10-27 01:40:15,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-27 01:40:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-27 01:40:15,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:17,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:17,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:40:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:40:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 01:40:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 01:40:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 01:40:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 01:40:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 01:40:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 01:40:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 01:40:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 01:40:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 01:40:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 01:40:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 01:40:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 01:40:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 01:40:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 01:40:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 01:40:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 01:40:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 01:40:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 01:40:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 01:40:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 01:40:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-27 01:40:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:17,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:17,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:17,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:17,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 851 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-27 01:40:17,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419939064] [2020-10-27 01:40:17,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:17,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-27 01:40:17,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743608372] [2020-10-27 01:40:17,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-27 01:40:17,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:17,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-27 01:40:17,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=1999, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 01:40:17,615 INFO L87 Difference]: Start difference. First operand 202 states and 203 transitions. Second operand 52 states. [2020-10-27 01:40:22,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:22,363 INFO L93 Difference]: Finished difference Result 285 states and 310 transitions. [2020-10-27 01:40:22,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-27 01:40:22,363 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 199 [2020-10-27 01:40:22,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:22,366 INFO L225 Difference]: With dead ends: 285 [2020-10-27 01:40:22,367 INFO L226 Difference]: Without dead ends: 203 [2020-10-27 01:40:22,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2300 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=2051, Invalid=8049, Unknown=0, NotChecked=0, Total=10100 [2020-10-27 01:40:22,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-27 01:40:22,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-10-27 01:40:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-27 01:40:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 204 transitions. [2020-10-27 01:40:22,391 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 204 transitions. Word has length 199 [2020-10-27 01:40:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:22,392 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 204 transitions. [2020-10-27 01:40:22,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-27 01:40:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 204 transitions. [2020-10-27 01:40:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-27 01:40:22,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:22,393 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:22,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-27 01:40:22,394 INFO L429 AbstractCegarLoop]: === Iteration 48 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:22,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:22,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2105245913, now seen corresponding path program 46 times [2020-10-27 01:40:22,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:22,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880229856] [2020-10-27 01:40:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:22,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1682 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-27 01:40:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:24,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:24,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:40:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:40:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:40:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 01:40:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:40:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 01:40:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 01:40:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 01:40:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 01:40:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 01:40:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 01:40:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 01:40:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 01:40:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 01:40:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 01:40:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 01:40:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 01:40:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 01:40:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 01:40:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 01:40:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:24,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 01:40:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 01:40:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 01:40:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:24,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:24,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:24,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:24,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:24,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:24,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:24,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 346 proven. 805 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-27 01:40:24,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880229856] [2020-10-27 01:40:24,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:24,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-27 01:40:24,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839486809] [2020-10-27 01:40:24,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 01:40:24,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:24,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 01:40:24,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=513, Unknown=0, NotChecked=0, Total=870 [2020-10-27 01:40:24,913 INFO L87 Difference]: Start difference. First operand 203 states and 204 transitions. Second operand 30 states. [2020-10-27 01:40:26,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:26,654 INFO L93 Difference]: Finished difference Result 218 states and 220 transitions. [2020-10-27 01:40:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 01:40:26,655 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 200 [2020-10-27 01:40:26,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:26,657 INFO L225 Difference]: With dead ends: 218 [2020-10-27 01:40:26,657 INFO L226 Difference]: Without dead ends: 214 [2020-10-27 01:40:26,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1072, Invalid=2234, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 01:40:26,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-27 01:40:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2020-10-27 01:40:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-27 01:40:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 211 transitions. [2020-10-27 01:40:26,686 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 211 transitions. Word has length 200 [2020-10-27 01:40:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:26,686 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 211 transitions. [2020-10-27 01:40:26,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 01:40:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 211 transitions. [2020-10-27 01:40:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-27 01:40:26,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:26,687 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:26,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-27 01:40:26,687 INFO L429 AbstractCegarLoop]: === Iteration 49 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:26,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:26,688 INFO L82 PathProgramCache]: Analyzing trace with hash 707289782, now seen corresponding path program 47 times [2020-10-27 01:40:26,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:26,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028445722] [2020-10-27 01:40:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:26,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1734 [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:28,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-27 01:40:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:30,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 01:40:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:40:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:40:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 01:40:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 01:40:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 01:40:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 01:40:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 01:40:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 01:40:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 01:40:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 01:40:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 01:40:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 01:40:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 01:40:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 01:40:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 01:40:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 01:40:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 01:40:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 01:40:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 01:40:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 01:40:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-27 01:40:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 01:40:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 01:40:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:30,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:30,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:30,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:30,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:30,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:30,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 924 proven. 300 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-27 01:40:30,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028445722] [2020-10-27 01:40:30,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:30,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-27 01:40:30,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418907117] [2020-10-27 01:40:30,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-27 01:40:30,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:30,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-27 01:40:30,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=2157, Unknown=0, NotChecked=0, Total=2862 [2020-10-27 01:40:30,236 INFO L87 Difference]: Start difference. First operand 210 states and 211 transitions. Second operand 54 states. [2020-10-27 01:40:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:35,075 INFO L93 Difference]: Finished difference Result 296 states and 322 transitions. [2020-10-27 01:40:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-27 01:40:35,076 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 207 [2020-10-27 01:40:35,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:35,078 INFO L225 Difference]: With dead ends: 296 [2020-10-27 01:40:35,078 INFO L226 Difference]: Without dead ends: 211 [2020-10-27 01:40:35,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2211, Invalid=8709, Unknown=0, NotChecked=0, Total=10920 [2020-10-27 01:40:35,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-27 01:40:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-10-27 01:40:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-27 01:40:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 212 transitions. [2020-10-27 01:40:35,106 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 212 transitions. Word has length 207 [2020-10-27 01:40:35,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:35,107 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 212 transitions. [2020-10-27 01:40:35,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-10-27 01:40:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 212 transitions. [2020-10-27 01:40:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 01:40:35,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:35,108 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:35,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-27 01:40:35,109 INFO L429 AbstractCegarLoop]: === Iteration 50 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:35,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:35,109 INFO L82 PathProgramCache]: Analyzing trace with hash -261172134, now seen corresponding path program 48 times [2020-10-27 01:40:35,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:35,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058511640] [2020-10-27 01:40:35,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:35,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1783 [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-27 01:40:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:36,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-27 01:40:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:40:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:40:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:40:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 01:40:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:40:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 01:40:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 01:40:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 01:40:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 01:40:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 01:40:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 01:40:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 01:40:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 01:40:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 01:40:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 01:40:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 01:40:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 01:40:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 01:40:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 01:40:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 01:40:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 01:40:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 01:40:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 01:40:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 01:40:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:37,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2353 backedges. 373 proven. 876 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-27 01:40:37,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058511640] [2020-10-27 01:40:37,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:37,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 01:40:37,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122189979] [2020-10-27 01:40:37,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 01:40:37,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:37,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 01:40:37,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=546, Unknown=0, NotChecked=0, Total=930 [2020-10-27 01:40:37,763 INFO L87 Difference]: Start difference. First operand 211 states and 212 transitions. Second operand 31 states. [2020-10-27 01:40:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:39,639 INFO L93 Difference]: Finished difference Result 226 states and 228 transitions. [2020-10-27 01:40:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 01:40:39,640 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 208 [2020-10-27 01:40:39,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:39,643 INFO L225 Difference]: With dead ends: 226 [2020-10-27 01:40:39,643 INFO L226 Difference]: Without dead ends: 222 [2020-10-27 01:40:39,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1153, Invalid=2387, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 01:40:39,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-27 01:40:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 218. [2020-10-27 01:40:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-27 01:40:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 219 transitions. [2020-10-27 01:40:39,675 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 219 transitions. Word has length 208 [2020-10-27 01:40:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:39,675 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 219 transitions. [2020-10-27 01:40:39,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 01:40:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 219 transitions. [2020-10-27 01:40:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-27 01:40:39,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:39,677 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:39,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-27 01:40:39,678 INFO L429 AbstractCegarLoop]: === Iteration 51 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:39,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:39,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1775848469, now seen corresponding path program 49 times [2020-10-27 01:40:39,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:39,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006957999] [2020-10-27 01:40:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:39,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:41,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:41,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-27 01:40:41,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2131 [2020-10-27 01:40:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-27 01:40:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:41,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-27 01:40:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:43,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:43,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:43,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:40:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:40:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:40:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 01:40:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:40:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 01:40:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 01:40:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 01:40:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 01:40:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 01:40:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 01:40:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 01:40:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 01:40:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 01:40:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 01:40:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 01:40:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 01:40:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 01:40:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 01:40:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 01:40:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 01:40:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 01:40:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-27 01:40:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 01:40:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-27 01:40:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:43,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:43,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:43,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:43,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 1000 proven. 325 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-27 01:40:43,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006957999] [2020-10-27 01:40:43,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:43,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-27 01:40:43,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569156360] [2020-10-27 01:40:43,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-27 01:40:43,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:43,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-27 01:40:43,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=759, Invalid=2321, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 01:40:43,733 INFO L87 Difference]: Start difference. First operand 218 states and 219 transitions. Second operand 56 states. [2020-10-27 01:40:49,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:49,067 INFO L93 Difference]: Finished difference Result 307 states and 334 transitions. [2020-10-27 01:40:49,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-27 01:40:49,068 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 215 [2020-10-27 01:40:49,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:49,070 INFO L225 Difference]: With dead ends: 307 [2020-10-27 01:40:49,070 INFO L226 Difference]: Without dead ends: 219 [2020-10-27 01:40:49,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2700 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2377, Invalid=9395, Unknown=0, NotChecked=0, Total=11772 [2020-10-27 01:40:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-27 01:40:49,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2020-10-27 01:40:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 01:40:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 220 transitions. [2020-10-27 01:40:49,102 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 220 transitions. Word has length 215 [2020-10-27 01:40:49,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:49,103 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 220 transitions. [2020-10-27 01:40:49,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-27 01:40:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 220 transitions. [2020-10-27 01:40:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-27 01:40:49,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:49,104 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:49,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-27 01:40:49,105 INFO L429 AbstractCegarLoop]: === Iteration 52 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:49,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:49,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1158293063, now seen corresponding path program 50 times [2020-10-27 01:40:49,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:49,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815938831] [2020-10-27 01:40:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:49,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:51,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:51,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2146 [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-27 01:40:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:51,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:52,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:40:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:40:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:40:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:40:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 01:40:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 01:40:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 01:40:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 01:40:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 01:40:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 01:40:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 01:40:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 01:40:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 01:40:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 01:40:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 01:40:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 01:40:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 01:40:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 01:40:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 01:40:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-27 01:40:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-27 01:40:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 01:40:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-27 01:40:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 01:40:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-27 01:40:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:52,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:52,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 401 proven. 950 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-27 01:40:52,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815938831] [2020-10-27 01:40:52,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:52,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-27 01:40:52,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937208705] [2020-10-27 01:40:52,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-27 01:40:52,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:52,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-27 01:40:52,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=412, Invalid=580, Unknown=0, NotChecked=0, Total=992 [2020-10-27 01:40:52,122 INFO L87 Difference]: Start difference. First operand 219 states and 220 transitions. Second operand 32 states. [2020-10-27 01:40:53,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:53,971 INFO L93 Difference]: Finished difference Result 234 states and 236 transitions. [2020-10-27 01:40:53,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 01:40:53,972 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 216 [2020-10-27 01:40:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:53,974 INFO L225 Difference]: With dead ends: 234 [2020-10-27 01:40:53,974 INFO L226 Difference]: Without dead ends: 230 [2020-10-27 01:40:53,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1237, Invalid=2545, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 01:40:53,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-27 01:40:54,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2020-10-27 01:40:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-27 01:40:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 227 transitions. [2020-10-27 01:40:54,005 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 227 transitions. Word has length 216 [2020-10-27 01:40:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:54,006 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 227 transitions. [2020-10-27 01:40:54,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-27 01:40:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 227 transitions. [2020-10-27 01:40:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-27 01:40:54,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:54,008 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:54,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-10-27 01:40:54,008 INFO L429 AbstractCegarLoop]: === Iteration 53 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:54,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:54,008 INFO L82 PathProgramCache]: Analyzing trace with hash -69055018, now seen corresponding path program 51 times [2020-10-27 01:40:54,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:54,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923172669] [2020-10-27 01:40:54,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:56,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:56,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2131 [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-27 01:40:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:58,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:58,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 01:40:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:40:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:40:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:40:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 01:40:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 01:40:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 01:40:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 01:40:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 01:40:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 01:40:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 01:40:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 01:40:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 01:40:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 01:40:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 01:40:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 01:40:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 01:40:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 01:40:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-27 01:40:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-27 01:40:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-27 01:40:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 01:40:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-27 01:40:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-27 01:40:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-27 01:40:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 01:40:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:58,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:58,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:58,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:40:58,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 1079 proven. 351 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-27 01:40:58,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923172669] [2020-10-27 01:40:58,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:40:58,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2020-10-27 01:40:58,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509477699] [2020-10-27 01:40:58,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 58 states [2020-10-27 01:40:58,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:58,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2020-10-27 01:40:58,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=2491, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 01:40:58,242 INFO L87 Difference]: Start difference. First operand 226 states and 227 transitions. Second operand 58 states. [2020-10-27 01:41:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:41:03,878 INFO L93 Difference]: Finished difference Result 318 states and 346 transitions. [2020-10-27 01:41:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-27 01:41:03,879 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 223 [2020-10-27 01:41:03,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:41:03,882 INFO L225 Difference]: With dead ends: 318 [2020-10-27 01:41:03,882 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 01:41:03,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2912 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=2549, Invalid=10107, Unknown=0, NotChecked=0, Total=12656 [2020-10-27 01:41:03,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 01:41:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-10-27 01:41:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-27 01:41:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 228 transitions. [2020-10-27 01:41:03,915 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 228 transitions. Word has length 223 [2020-10-27 01:41:03,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:41:03,915 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 228 transitions. [2020-10-27 01:41:03,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 58 states. [2020-10-27 01:41:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 228 transitions. [2020-10-27 01:41:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-27 01:41:03,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:41:03,917 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:41:03,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-10-27 01:41:03,917 INFO L429 AbstractCegarLoop]: === Iteration 54 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:41:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:41:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash 502855546, now seen corresponding path program 52 times [2020-10-27 01:41:03,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:41:03,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725103233] [2020-10-27 01:41:03,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:41:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-27 01:41:06,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:41:06,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-27 01:41:06,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:06,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:41:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:06,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:06,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:06,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:41:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:41:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:06,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:06,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:06,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:41:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:06,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:06,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:06,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:06,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:06,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:06,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:06,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:41:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 01:41:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 01:41:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:41:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 01:41:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 01:41:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 01:41:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 01:41:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 01:41:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 01:41:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 01:41:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 01:41:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 01:41:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 01:41:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 01:41:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 01:41:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 01:41:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 01:41:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 01:41:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-27 01:41:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 01:41:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 01:41:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 01:41:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 01:41:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:07,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2757 backedges. 430 proven. 1027 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-27 01:41:07,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725103233] [2020-10-27 01:41:07,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:41:07,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-27 01:41:07,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051630144] [2020-10-27 01:41:07,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-27 01:41:07,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:41:07,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-27 01:41:07,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=615, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 01:41:07,113 INFO L87 Difference]: Start difference. First operand 227 states and 228 transitions. Second operand 33 states. [2020-10-27 01:41:09,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:41:09,061 INFO L93 Difference]: Finished difference Result 242 states and 244 transitions. [2020-10-27 01:41:09,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 01:41:09,062 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 224 [2020-10-27 01:41:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:41:09,064 INFO L225 Difference]: With dead ends: 242 [2020-10-27 01:41:09,064 INFO L226 Difference]: Without dead ends: 238 [2020-10-27 01:41:09,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1319, Invalid=2587, Unknown=0, NotChecked=0, Total=3906 [2020-10-27 01:41:09,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-27 01:41:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2020-10-27 01:41:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 01:41:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2020-10-27 01:41:09,097 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 224 [2020-10-27 01:41:09,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:41:09,097 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2020-10-27 01:41:09,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-27 01:41:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2020-10-27 01:41:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-27 01:41:09,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:41:09,099 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:41:09,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-10-27 01:41:09,100 INFO L429 AbstractCegarLoop]: === Iteration 55 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:41:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:41:09,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1839766283, now seen corresponding path program 53 times [2020-10-27 01:41:09,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:41:09,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495061670] [2020-10-27 01:41:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:41:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:09,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:11,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:11,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-27 01:41:11,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:11,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2235 [2020-10-27 01:41:11,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-27 01:41:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:41:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-27 01:41:11,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:41:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:41:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 01:41:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 01:41:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:41:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 01:41:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 01:41:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 01:41:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 01:41:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 01:41:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 01:41:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 01:41:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 01:41:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 01:41:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 01:41:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 01:41:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 01:41:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 01:41:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 01:41:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 01:41:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 01:41:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 01:41:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 01:41:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-27 01:41:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-27 01:41:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-27 01:41:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 01:41:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 01:41:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 01:41:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:13,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:13,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2943 backedges. 1161 proven. 378 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-27 01:41:13,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495061670] [2020-10-27 01:41:13,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:41:13,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2020-10-27 01:41:13,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812564285] [2020-10-27 01:41:13,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-10-27 01:41:13,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:41:13,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-10-27 01:41:13,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=873, Invalid=2667, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 01:41:13,552 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand 60 states. [2020-10-27 01:41:18,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:41:18,174 INFO L93 Difference]: Finished difference Result 329 states and 358 transitions. [2020-10-27 01:41:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 01:41:18,175 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 231 [2020-10-27 01:41:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:41:18,177 INFO L225 Difference]: With dead ends: 329 [2020-10-27 01:41:18,177 INFO L226 Difference]: Without dead ends: 235 [2020-10-27 01:41:18,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3132 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=2727, Invalid=10845, Unknown=0, NotChecked=0, Total=13572 [2020-10-27 01:41:18,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-27 01:41:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2020-10-27 01:41:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-27 01:41:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 236 transitions. [2020-10-27 01:41:18,212 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 236 transitions. Word has length 231 [2020-10-27 01:41:18,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:41:18,213 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 236 transitions. [2020-10-27 01:41:18,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-10-27 01:41:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 236 transitions. [2020-10-27 01:41:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-27 01:41:18,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:41:18,214 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:41:18,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-10-27 01:41:18,215 INFO L429 AbstractCegarLoop]: === Iteration 56 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:41:18,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:41:18,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1737239193, now seen corresponding path program 54 times [2020-10-27 01:41:18,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:41:18,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664953424] [2020-10-27 01:41:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:41:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:18,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2335 [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-27 01:41:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:41:20,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-27 01:41:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:41:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:41:21,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:41:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:41:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:41:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:41:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:41:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:41:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 01:41:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 01:41:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 01:41:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 01:41:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 01:41:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 01:41:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 01:41:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 01:41:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 01:41:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 01:41:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 01:41:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 01:41:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 01:41:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 01:41:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 01:41:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 01:41:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 01:41:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 01:41:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 01:41:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-27 01:41:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:21,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 01:41:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 01:41:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-27 01:41:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:21,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:21,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:21,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:21,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:21,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:21,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:21,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2971 backedges. 460 proven. 1107 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-27 01:41:21,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664953424] [2020-10-27 01:41:21,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:41:21,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-27 01:41:21,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474370080] [2020-10-27 01:41:21,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-27 01:41:21,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:41:21,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-27 01:41:21,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=651, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 01:41:21,610 INFO L87 Difference]: Start difference. First operand 235 states and 236 transitions. Second operand 34 states. [2020-10-27 01:41:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:41:23,716 INFO L93 Difference]: Finished difference Result 250 states and 252 transitions. [2020-10-27 01:41:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-27 01:41:23,717 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 232 [2020-10-27 01:41:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:41:23,720 INFO L225 Difference]: With dead ends: 250 [2020-10-27 01:41:23,720 INFO L226 Difference]: Without dead ends: 246 [2020-10-27 01:41:23,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1414, Invalid=2876, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 01:41:23,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-27 01:41:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2020-10-27 01:41:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-27 01:41:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 243 transitions. [2020-10-27 01:41:23,753 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 243 transitions. Word has length 232 [2020-10-27 01:41:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:41:23,754 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 243 transitions. [2020-10-27 01:41:23,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-27 01:41:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 243 transitions. [2020-10-27 01:41:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-27 01:41:23,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:41:23,756 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:41:23,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-10-27 01:41:23,756 INFO L429 AbstractCegarLoop]: === Iteration 57 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:41:23,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:41:23,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1570324726, now seen corresponding path program 55 times [2020-10-27 01:41:23,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:41:23,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877282698] [2020-10-27 01:41:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:41:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2486 [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-27 01:41:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:41:26,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-27 01:41:26,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:41:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:41:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:41:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:41:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:41:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:41:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 01:41:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 01:41:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 01:41:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 01:41:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 01:41:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 01:41:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 01:41:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 01:41:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 01:41:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 01:41:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 01:41:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 01:41:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 01:41:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 01:41:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 01:41:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 01:41:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-27 01:41:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-27 01:41:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-27 01:41:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-27 01:41:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-27 01:41:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 01:41:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-27 01:41:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-27 01:41:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:28,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 1246 proven. 406 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-27 01:41:28,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877282698] [2020-10-27 01:41:28,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:41:28,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2020-10-27 01:41:28,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681321953] [2020-10-27 01:41:28,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 62 states [2020-10-27 01:41:28,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:41:28,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2020-10-27 01:41:28,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=933, Invalid=2849, Unknown=0, NotChecked=0, Total=3782 [2020-10-27 01:41:28,563 INFO L87 Difference]: Start difference. First operand 242 states and 243 transitions. Second operand 62 states. [2020-10-27 01:41:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:41:35,073 INFO L93 Difference]: Finished difference Result 340 states and 370 transitions. [2020-10-27 01:41:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-27 01:41:35,074 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 239 [2020-10-27 01:41:35,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:41:35,076 INFO L225 Difference]: With dead ends: 340 [2020-10-27 01:41:35,077 INFO L226 Difference]: Without dead ends: 243 [2020-10-27 01:41:35,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3360 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=2911, Invalid=11609, Unknown=0, NotChecked=0, Total=14520 [2020-10-27 01:41:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-27 01:41:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2020-10-27 01:41:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-10-27 01:41:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 244 transitions. [2020-10-27 01:41:35,113 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 244 transitions. Word has length 239 [2020-10-27 01:41:35,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:41:35,113 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 244 transitions. [2020-10-27 01:41:35,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 62 states. [2020-10-27 01:41:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 244 transitions. [2020-10-27 01:41:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-27 01:41:35,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:41:35,115 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:41:35,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-10-27 01:41:35,115 INFO L429 AbstractCegarLoop]: === Iteration 58 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:41:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:41:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1678779034, now seen corresponding path program 56 times [2020-10-27 01:41:35,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:41:35,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965056640] [2020-10-27 01:41:35,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:41:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:37,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:37,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 01:41:37,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2671 [2020-10-27 01:41:37,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-27 01:41:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:41:37,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-27 01:41:37,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:41:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:41:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:38,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:41:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:41:38,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:41:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:41:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:41:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:41:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:41:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 01:41:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 01:41:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 01:41:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 01:41:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 01:41:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 01:41:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 01:41:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 01:41:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 01:41:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 01:41:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 01:41:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 01:41:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 01:41:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 01:41:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 01:41:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 01:41:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-27 01:41:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 01:41:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 01:41:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 01:41:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 01:41:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 01:41:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 01:41:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:38,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:38,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:38,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:38,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:38,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:38,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:38,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 491 proven. 1190 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-27 01:41:38,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965056640] [2020-10-27 01:41:38,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:41:38,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-27 01:41:38,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852213652] [2020-10-27 01:41:38,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-27 01:41:38,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:41:38,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-27 01:41:38,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=688, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 01:41:38,923 INFO L87 Difference]: Start difference. First operand 243 states and 244 transitions. Second operand 35 states. [2020-10-27 01:41:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:41:41,187 INFO L93 Difference]: Finished difference Result 258 states and 260 transitions. [2020-10-27 01:41:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 01:41:41,188 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 240 [2020-10-27 01:41:41,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:41:41,190 INFO L225 Difference]: With dead ends: 258 [2020-10-27 01:41:41,190 INFO L226 Difference]: Without dead ends: 254 [2020-10-27 01:41:41,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1507, Invalid=3049, Unknown=0, NotChecked=0, Total=4556 [2020-10-27 01:41:41,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-27 01:41:41,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2020-10-27 01:41:41,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-27 01:41:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 251 transitions. [2020-10-27 01:41:41,226 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 251 transitions. Word has length 240 [2020-10-27 01:41:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:41:41,227 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 251 transitions. [2020-10-27 01:41:41,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-27 01:41:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 251 transitions. [2020-10-27 01:41:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-27 01:41:41,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:41:41,228 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:41:41,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-10-27 01:41:41,229 INFO L429 AbstractCegarLoop]: === Iteration 59 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:41:41,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:41:41,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1661957589, now seen corresponding path program 57 times [2020-10-27 01:41:41,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:41:41,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870702018] [2020-10-27 01:41:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:41:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:41,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:43,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:43,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-27 01:41:43,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2711 [2020-10-27 01:41:43,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-27 01:41:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:41:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-10-27 01:41:43,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:41:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:41:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:41:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:41:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:41:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 01:41:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 01:41:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 01:41:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 01:41:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 01:41:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 01:41:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 01:41:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 01:41:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 01:41:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 01:41:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 01:41:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 01:41:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 01:41:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 01:41:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 01:41:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 01:41:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 01:41:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-27 01:41:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-27 01:41:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 01:41:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 01:41:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-27 01:41:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 01:41:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 01:41:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 01:41:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-27 01:41:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:41:46,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:41:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:41:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:41:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:41:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 1334 proven. 435 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-27 01:41:46,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870702018] [2020-10-27 01:41:46,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:41:46,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2020-10-27 01:41:46,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735084351] [2020-10-27 01:41:46,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 64 states [2020-10-27 01:41:46,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:41:46,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2020-10-27 01:41:46,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=995, Invalid=3037, Unknown=0, NotChecked=0, Total=4032 [2020-10-27 01:41:46,565 INFO L87 Difference]: Start difference. First operand 250 states and 251 transitions. Second operand 64 states.