/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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-acceleration/functions_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:56:14,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:56:14,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:56:14,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:56:14,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:56:14,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:56:14,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:56:14,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:56:14,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:56:14,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:56:14,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:56:14,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:56:14,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:56:14,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:56:14,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:56:14,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:56:14,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:56:14,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:56:14,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:56:14,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:56:14,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:56:14,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:56:14,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:56:14,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:56:14,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:56:14,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:56:14,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:56:14,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:56:14,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:56:14,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:56:14,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:56:14,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:56:14,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:56:14,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:56:14,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:56:14,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:56:14,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:56:14,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:56:14,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:56:14,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:56:14,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:56:14,595 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 [2020-10-28 14:56:14,648 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:56:14,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:56:14,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:56:14,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:56:14,652 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:56:14,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:56:14,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:56:14,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:56:14,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:56:14,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:56:14,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:56:14,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:56:14,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:56:14,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:56:14,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:56:14,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:56:14,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:56:14,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:56:14,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:56:14,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:56:14,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:56:14,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:56:14,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:56:14,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:56:14,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:56:14,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:56:14,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:56:14,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:56:14,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:56:14,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:56:15,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:56:15,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:56:15,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:56:15,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:56:15,164 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:56:15,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/functions_1-1.c [2020-10-28 14:56:15,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fed5b978/53355230f3bb4d7da9150d8fa750e88d/FLAGc04d583c7 [2020-10-28 14:56:15,883 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:56:15,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-acceleration/functions_1-1.c [2020-10-28 14:56:15,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fed5b978/53355230f3bb4d7da9150d8fa750e88d/FLAGc04d583c7 [2020-10-28 14:56:16,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fed5b978/53355230f3bb4d7da9150d8fa750e88d [2020-10-28 14:56:16,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:56:16,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:56:16,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:56:16,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:56:16,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:56:16,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bb5c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16, skipping insertion in model container [2020-10-28 14:56:16,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:56:16,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:56:16,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:56:16,476 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:56:16,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:56:16,521 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:56:16,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16 WrapperNode [2020-10-28 14:56:16,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:56:16,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:56:16,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:56:16,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:56:16,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (1/1) ... [2020-10-28 14:56:16,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:56:16,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:56:16,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:56:16,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:56:16,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (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 [2020-10-28 14:56:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:56:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:56:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:56:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-28 14:56:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-28 14:56:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:56:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:56:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:56:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:56:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:56:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-28 14:56:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-28 14:56:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:56:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:56:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:56:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:56:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:56:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:56:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:56:17,069 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:56:17,070 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 14:56:17,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:56:17 BoogieIcfgContainer [2020-10-28 14:56:17,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:56:17,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:56:17,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:56:17,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:56:17,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:56:16" (1/3) ... [2020-10-28 14:56:17,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e40b300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:56:17, skipping insertion in model container [2020-10-28 14:56:17,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:56:16" (2/3) ... [2020-10-28 14:56:17,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e40b300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:56:17, skipping insertion in model container [2020-10-28 14:56:17,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:56:17" (3/3) ... [2020-10-28 14:56:17,081 INFO L111 eAbstractionObserver]: Analyzing ICFG functions_1-1.c [2020-10-28 14:56:17,094 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:56:17,099 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:56:17,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:56:17,143 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:56:17,143 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:56:17,143 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:56:17,143 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:56:17,143 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:56:17,144 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:56:17,144 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:56:17,144 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:56:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-28 14:56:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-28 14:56:17,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:17,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:17,169 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:17,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:17,176 INFO L82 PathProgramCache]: Analyzing trace with hash -611199547, now seen corresponding path program 1 times [2020-10-28 14:56:17,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:17,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841046693] [2020-10-28 14:56:17,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:17,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:17,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:17,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:17,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 14:56:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-28 14:56:17,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:17,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 14:56:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 14:56:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:17,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:17,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:17,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:17,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:56:17,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:17,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:17,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:17,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:56:17,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841046693] [2020-10-28 14:56:17,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:56:17,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 14:56:17,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136733780] [2020-10-28 14:56:17,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 14:56:17,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:17,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 14:56:17,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 14:56:17,873 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 3 states. [2020-10-28 14:56:17,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:17,954 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2020-10-28 14:56:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 14:56:17,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-28 14:56:17,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:17,964 INFO L225 Difference]: With dead ends: 39 [2020-10-28 14:56:17,964 INFO L226 Difference]: Without dead ends: 18 [2020-10-28 14:56:17,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 14:56:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-28 14:56:18,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-28 14:56:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-28 14:56:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2020-10-28 14:56:18,010 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 12 [2020-10-28 14:56:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:18,011 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2020-10-28 14:56:18,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 14:56:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2020-10-28 14:56:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-28 14:56:18,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:18,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:18,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:56:18,013 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:18,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:18,013 INFO L82 PathProgramCache]: Analyzing trace with hash -782974453, now seen corresponding path program 1 times [2020-10-28 14:56:18,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:18,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522753644] [2020-10-28 14:56:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:18,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:18,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:18,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:18,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 14:56:18,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-28 14:56:18,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:18,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:56:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:56:18,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:18,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:18,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:18,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:18,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:18,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:18,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:56:18,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522753644] [2020-10-28 14:56:18,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:56:18,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 14:56:18,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784869755] [2020-10-28 14:56:18,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:56:18,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:18,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:56:18,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:56:18,395 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 4 states. [2020-10-28 14:56:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:18,510 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2020-10-28 14:56:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 14:56:18,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-28 14:56:18,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:18,515 INFO L225 Difference]: With dead ends: 27 [2020-10-28 14:56:18,515 INFO L226 Difference]: Without dead ends: 21 [2020-10-28 14:56:18,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 14:56:18,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-28 14:56:18,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2020-10-28 14:56:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-28 14:56:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-28 14:56:18,541 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 12 [2020-10-28 14:56:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:18,542 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-28 14:56:18,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:56:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-28 14:56:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-28 14:56:18,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:18,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:18,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:56:18,544 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:18,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:18,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1093018675, now seen corresponding path program 1 times [2020-10-28 14:56:18,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:18,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333128769] [2020-10-28 14:56:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:18,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:19,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:19,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 14:56:19,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:19,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-28 14:56:19,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:19,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:56:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:56:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:19,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:19,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:19,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:19,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:19,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:19,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:19,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:19,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:19,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:19,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:19,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:19,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:56:19,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:19,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:19,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:56:19,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333128769] [2020-10-28 14:56:19,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:19,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 14:56:19,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832522642] [2020-10-28 14:56:19,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:56:19,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:19,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:56:19,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:56:19,294 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-10-28 14:56:19,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:19,730 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2020-10-28 14:56:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:56:19,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-28 14:56:19,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:19,732 INFO L225 Difference]: With dead ends: 30 [2020-10-28 14:56:19,732 INFO L226 Difference]: Without dead ends: 24 [2020-10-28 14:56:19,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-28 14:56:19,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-28 14:56:19,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-10-28 14:56:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-28 14:56:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-10-28 14:56:19,742 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 18 [2020-10-28 14:56:19,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:19,742 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-10-28 14:56:19,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:56:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-10-28 14:56:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-28 14:56:19,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:19,745 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:19,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:56:19,745 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:19,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:19,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1189157903, now seen corresponding path program 2 times [2020-10-28 14:56:19,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:19,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611828357] [2020-10-28 14:56:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:19,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:19,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:20,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:20,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 14:56:20,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-28 14:56:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:20,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 14:56:20,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 14:56:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:56:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:20,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:20,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:20,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:20,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:56:20,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:20,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:20,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:20,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:20,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:20,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:20,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:20,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:20,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:20,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:56:20,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:20,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:20,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:20,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:20,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:56:20,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:20,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 14:56:20,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611828357] [2020-10-28 14:56:20,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:20,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 14:56:20,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571203280] [2020-10-28 14:56:20,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 14:56:20,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:20,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 14:56:20,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-28 14:56:20,444 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 11 states. [2020-10-28 14:56:20,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:20,966 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2020-10-28 14:56:20,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:56:20,967 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2020-10-28 14:56:20,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:20,968 INFO L225 Difference]: With dead ends: 33 [2020-10-28 14:56:20,968 INFO L226 Difference]: Without dead ends: 27 [2020-10-28 14:56:20,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:56:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-28 14:56:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2020-10-28 14:56:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-28 14:56:20,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-10-28 14:56:20,979 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 24 [2020-10-28 14:56:20,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:20,979 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-10-28 14:56:20,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 14:56:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-10-28 14:56:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 14:56:20,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:20,981 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:20,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:56:20,981 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:20,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:20,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1613520175, now seen corresponding path program 3 times [2020-10-28 14:56:20,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:20,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144619530] [2020-10-28 14:56:20,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:21,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:21,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:21,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 14:56:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-28 14:56:21,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:21,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 14:56:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 14:56:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:21,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:21,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:21,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:21,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:21,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:21,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:21,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:21,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:21,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:21,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:21,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:21,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:21,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:21,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:21,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:21,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:21,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:21,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:21,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:21,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:21,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:21,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:21,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:21,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:21,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:21,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:21,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:21,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:21,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:21,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:56:21,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:21,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:21,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:56:21,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144619530] [2020-10-28 14:56:21,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:21,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 14:56:21,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208542151] [2020-10-28 14:56:21,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 14:56:21,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:21,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 14:56:21,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-28 14:56:21,885 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 13 states. [2020-10-28 14:56:22,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:22,662 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2020-10-28 14:56:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:56:22,665 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2020-10-28 14:56:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:22,667 INFO L225 Difference]: With dead ends: 36 [2020-10-28 14:56:22,667 INFO L226 Difference]: Without dead ends: 30 [2020-10-28 14:56:22,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2020-10-28 14:56:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-28 14:56:22,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-10-28 14:56:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-28 14:56:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-10-28 14:56:22,688 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 30 [2020-10-28 14:56:22,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:22,689 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-10-28 14:56:22,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 14:56:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-10-28 14:56:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 14:56:22,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:22,693 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:22,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:56:22,694 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:22,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:22,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1799188461, now seen corresponding path program 4 times [2020-10-28 14:56:22,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:22,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196184964] [2020-10-28 14:56:22,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:22,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 14:56:23,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-10-28 14:56:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:23,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-28 14:56:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 14:56:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:23,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:23,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:23,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:23,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:23,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:23,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:23,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:23,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:23,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:56:23,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:23,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:23,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:23,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:23,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:23,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:23,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:23,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:23,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:56:23,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:23,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:23,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:23,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:23,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:23,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:23,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:23,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:56:23,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:23,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:23,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:23,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 14:56:23,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196184964] [2020-10-28 14:56:23,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:23,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 14:56:23,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759339116] [2020-10-28 14:56:23,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 14:56:23,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:23,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 14:56:23,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-28 14:56:23,609 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 15 states. [2020-10-28 14:56:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:24,547 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2020-10-28 14:56:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 14:56:24,548 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2020-10-28 14:56:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:24,550 INFO L225 Difference]: With dead ends: 39 [2020-10-28 14:56:24,550 INFO L226 Difference]: Without dead ends: 33 [2020-10-28 14:56:24,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2020-10-28 14:56:24,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-28 14:56:24,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2020-10-28 14:56:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-28 14:56:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-10-28 14:56:24,571 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 36 [2020-10-28 14:56:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:24,571 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-10-28 14:56:24,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 14:56:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-10-28 14:56:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 14:56:24,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:24,573 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:24,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 14:56:24,574 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:24,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:24,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1734804437, now seen corresponding path program 5 times [2020-10-28 14:56:24,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:24,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064703543] [2020-10-28 14:56:24,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 14:56:25,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 912 [2020-10-28 14:56:25,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-28 14:56:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 14:56:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:56:25,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:25,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:25,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:25,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:56:25,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:25,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:25,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:25,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:25,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:25,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:25,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:25,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:56:25,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:25,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:56:25,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:25,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:25,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:25,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:25,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:25,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:25,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:25,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:25,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:25,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:25,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:25,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:56:25,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:25,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:25,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-28 14:56:25,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064703543] [2020-10-28 14:56:25,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:25,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 14:56:25,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400964312] [2020-10-28 14:56:25,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 14:56:25,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:25,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 14:56:25,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-28 14:56:25,908 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 17 states. [2020-10-28 14:56:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:26,971 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2020-10-28 14:56:26,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 14:56:26,973 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 42 [2020-10-28 14:56:26,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:26,974 INFO L225 Difference]: With dead ends: 42 [2020-10-28 14:56:26,974 INFO L226 Difference]: Without dead ends: 36 [2020-10-28 14:56:26,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=831, Unknown=0, NotChecked=0, Total=930 [2020-10-28 14:56:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-28 14:56:26,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2020-10-28 14:56:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-28 14:56:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-10-28 14:56:27,001 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 42 [2020-10-28 14:56:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:27,002 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-10-28 14:56:27,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 14:56:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-10-28 14:56:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 14:56:27,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:27,007 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:27,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 14:56:27,007 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:27,008 INFO L82 PathProgramCache]: Analyzing trace with hash 841096727, now seen corresponding path program 6 times [2020-10-28 14:56:27,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:27,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946961679] [2020-10-28 14:56:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:27,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:27,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 14:56:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1356 [2020-10-28 14:56:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-28 14:56:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 14:56:28,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:28,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:28,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:28,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:28,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:28,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:28,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:28,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:28,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:28,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:28,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:28,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-28 14:56:28,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946961679] [2020-10-28 14:56:28,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:28,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-28 14:56:28,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086094831] [2020-10-28 14:56:28,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-28 14:56:28,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:28,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-28 14:56:28,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:56:28,869 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 19 states. [2020-10-28 14:56:30,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:30,085 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2020-10-28 14:56:30,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 14:56:30,085 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 48 [2020-10-28 14:56:30,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:30,087 INFO L225 Difference]: With dead ends: 45 [2020-10-28 14:56:30,087 INFO L226 Difference]: Without dead ends: 39 [2020-10-28 14:56:30,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=1077, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 14:56:30,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-28 14:56:30,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-28 14:56:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 14:56:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2020-10-28 14:56:30,103 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 48 [2020-10-28 14:56:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:30,103 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2020-10-28 14:56:30,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-28 14:56:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2020-10-28 14:56:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-28 14:56:30,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:30,105 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:30,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 14:56:30,105 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:30,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:30,106 INFO L82 PathProgramCache]: Analyzing trace with hash -906166567, now seen corresponding path program 7 times [2020-10-28 14:56:30,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:30,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907602254] [2020-10-28 14:56:30,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:30,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:30,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 14:56:31,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-28 14:56:31,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-28 14:56:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 14:56:31,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:31,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:31,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:31,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:31,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:31,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:31,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:31,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:56:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:31,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:31,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:31,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:31,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:31,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:31,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:31,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-28 14:56:31,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907602254] [2020-10-28 14:56:31,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:31,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-28 14:56:31,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597331769] [2020-10-28 14:56:31,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-28 14:56:31,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:31,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-28 14:56:31,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2020-10-28 14:56:31,784 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 21 states. [2020-10-28 14:56:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:33,104 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2020-10-28 14:56:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 14:56:33,105 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 54 [2020-10-28 14:56:33,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:33,106 INFO L225 Difference]: With dead ends: 48 [2020-10-28 14:56:33,106 INFO L226 Difference]: Without dead ends: 42 [2020-10-28 14:56:33,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=162, Invalid=1320, Unknown=0, NotChecked=0, Total=1482 [2020-10-28 14:56:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-28 14:56:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2020-10-28 14:56:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-28 14:56:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2020-10-28 14:56:33,127 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 54 [2020-10-28 14:56:33,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:33,130 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2020-10-28 14:56:33,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-28 14:56:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2020-10-28 14:56:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 14:56:33,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:33,132 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:33,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 14:56:33,132 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:33,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:33,133 INFO L82 PathProgramCache]: Analyzing trace with hash 547931675, now seen corresponding path program 8 times [2020-10-28 14:56:33,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:33,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588157512] [2020-10-28 14:56:33,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:33,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 14:56:34,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-10-28 14:56:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-28 14:56:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 14:56:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:56:34,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:34,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:34,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:34,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:34,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 14:56:34,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:34,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:34,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:56:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:34,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:56:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:34,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:34,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:34,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:34,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-28 14:56:34,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588157512] [2020-10-28 14:56:34,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:34,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-28 14:56:34,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242085161] [2020-10-28 14:56:34,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-28 14:56:34,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-28 14:56:34,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2020-10-28 14:56:34,860 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 23 states. [2020-10-28 14:56:36,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:36,548 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-10-28 14:56:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 14:56:36,548 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 60 [2020-10-28 14:56:36,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:36,550 INFO L225 Difference]: With dead ends: 51 [2020-10-28 14:56:36,550 INFO L226 Difference]: Without dead ends: 45 [2020-10-28 14:56:36,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=181, Invalid=1625, Unknown=0, NotChecked=0, Total=1806 [2020-10-28 14:56:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-28 14:56:36,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2020-10-28 14:56:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-28 14:56:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2020-10-28 14:56:36,575 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 60 [2020-10-28 14:56:36,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:36,576 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2020-10-28 14:56:36,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-28 14:56:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2020-10-28 14:56:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 14:56:36,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:36,582 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:36,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 14:56:36,583 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:36,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:36,583 INFO L82 PathProgramCache]: Analyzing trace with hash 645829597, now seen corresponding path program 9 times [2020-10-28 14:56:36,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:36,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636195365] [2020-10-28 14:56:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:37,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:37,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:37,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 14:56:37,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1374 [2020-10-28 14:56:37,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:37,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-28 14:56:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 14:56:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:38,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:38,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:38,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:38,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:38,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:38,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:38,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:38,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:56:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:38,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:56:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:38,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:56:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:38,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:38,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:38,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:38,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-28 14:56:38,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636195365] [2020-10-28 14:56:38,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:38,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-28 14:56:38,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781658272] [2020-10-28 14:56:38,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-28 14:56:38,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:38,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-28 14:56:38,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-28 14:56:38,703 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 25 states. [2020-10-28 14:56:40,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:40,763 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2020-10-28 14:56:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 14:56:40,764 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2020-10-28 14:56:40,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:40,767 INFO L225 Difference]: With dead ends: 54 [2020-10-28 14:56:40,767 INFO L226 Difference]: Without dead ends: 48 [2020-10-28 14:56:40,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=155, Invalid=2007, Unknown=0, NotChecked=0, Total=2162 [2020-10-28 14:56:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-28 14:56:40,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2020-10-28 14:56:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 14:56:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2020-10-28 14:56:40,783 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 66 [2020-10-28 14:56:40,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:40,784 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2020-10-28 14:56:40,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-28 14:56:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-10-28 14:56:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-28 14:56:40,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:40,785 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:40,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 14:56:40,786 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:40,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:40,786 INFO L82 PathProgramCache]: Analyzing trace with hash 746555423, now seen corresponding path program 10 times [2020-10-28 14:56:40,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:40,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369693990] [2020-10-28 14:56:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:40,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:42,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:42,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:42,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 14:56:42,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1900 [2020-10-28 14:56:42,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:42,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-28 14:56:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 14:56:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:43,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:43,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:43,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:43,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:43,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:43,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:43,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:43,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:43,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:43,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:56:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:43,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:56:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:43,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:56:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:56:43,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:56:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:43,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:43,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:43,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:43,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:43,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:43,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:43,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-28 14:56:43,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369693990] [2020-10-28 14:56:43,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:43,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-28 14:56:43,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192163394] [2020-10-28 14:56:43,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-28 14:56:43,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:43,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-28 14:56:43,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-28 14:56:43,598 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 27 states. [2020-10-28 14:56:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:45,881 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2020-10-28 14:56:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-28 14:56:45,881 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 72 [2020-10-28 14:56:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:45,883 INFO L225 Difference]: With dead ends: 57 [2020-10-28 14:56:45,883 INFO L226 Difference]: Without dead ends: 51 [2020-10-28 14:56:45,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=169, Invalid=2381, Unknown=0, NotChecked=0, Total=2550 [2020-10-28 14:56:45,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-28 14:56:45,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2020-10-28 14:56:45,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-28 14:56:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2020-10-28 14:56:45,915 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 72 [2020-10-28 14:56:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:45,917 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2020-10-28 14:56:45,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-28 14:56:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2020-10-28 14:56:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-28 14:56:45,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:45,921 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:45,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 14:56:45,921 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:45,922 INFO L82 PathProgramCache]: Analyzing trace with hash -967523615, now seen corresponding path program 11 times [2020-10-28 14:56:45,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:45,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236051309] [2020-10-28 14:56:45,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:45,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:47,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:47,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:47,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 14:56:47,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1640 [2020-10-28 14:56:47,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:47,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-28 14:56:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 14:56:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:48,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:48,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:56:48,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:56:48,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:56:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:56:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:56:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:48,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:56:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:48,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:56:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:48,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:48,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:48,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:48,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:56:48,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:48,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:48,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-10-28 14:56:48,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236051309] [2020-10-28 14:56:48,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:48,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-28 14:56:48,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964253775] [2020-10-28 14:56:48,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-28 14:56:48,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:48,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-28 14:56:48,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-28 14:56:48,613 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 29 states. [2020-10-28 14:56:51,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:51,262 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2020-10-28 14:56:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 14:56:51,263 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 78 [2020-10-28 14:56:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:51,265 INFO L225 Difference]: With dead ends: 60 [2020-10-28 14:56:51,265 INFO L226 Difference]: Without dead ends: 54 [2020-10-28 14:56:51,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=183, Invalid=2787, Unknown=0, NotChecked=0, Total=2970 [2020-10-28 14:56:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-28 14:56:51,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2020-10-28 14:56:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-28 14:56:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2020-10-28 14:56:51,280 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 78 [2020-10-28 14:56:51,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:51,280 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2020-10-28 14:56:51,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-28 14:56:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2020-10-28 14:56:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 14:56:51,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:51,282 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:51,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 14:56:51,283 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:51,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:51,283 INFO L82 PathProgramCache]: Analyzing trace with hash 743400483, now seen corresponding path program 12 times [2020-10-28 14:56:51,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:51,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778562905] [2020-10-28 14:56:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:51,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:52,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:53,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 14:56:53,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2301 [2020-10-28 14:56:53,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:53,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-28 14:56:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-28 14:56:53,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:56:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:56:54,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:56:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:56:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:56:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:54,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:56:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:54,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:56:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:56:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:56:54,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:56:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:56:54,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:56:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:56:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:56:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:56:54,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:56:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:56:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:56:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:56:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:54,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:54,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:54,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:56:54,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:56:54,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:56:54,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:54,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:56:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:56:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:56:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:56:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 22 proven. 210 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2020-10-28 14:56:54,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778562905] [2020-10-28 14:56:54,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:56:54,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-28 14:56:54,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802513383] [2020-10-28 14:56:54,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-28 14:56:54,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:56:54,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-28 14:56:54,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=918, Unknown=0, NotChecked=0, Total=992 [2020-10-28 14:56:54,789 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 32 states. [2020-10-28 14:56:57,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:56:57,746 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2020-10-28 14:56:57,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-28 14:56:57,751 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 84 [2020-10-28 14:56:57,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:56:57,753 INFO L225 Difference]: With dead ends: 64 [2020-10-28 14:56:57,753 INFO L226 Difference]: Without dead ends: 58 [2020-10-28 14:56:57,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=266, Invalid=3394, Unknown=0, NotChecked=0, Total=3660 [2020-10-28 14:56:57,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-28 14:56:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-10-28 14:56:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-28 14:56:57,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2020-10-28 14:56:57,770 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 84 [2020-10-28 14:56:57,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:56:57,770 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2020-10-28 14:56:57,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-28 14:56:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2020-10-28 14:56:57,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 14:56:57,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:56:57,772 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:56:57,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 14:56:57,772 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:56:57,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:56:57,773 INFO L82 PathProgramCache]: Analyzing trace with hash 493390821, now seen corresponding path program 13 times [2020-10-28 14:56:57,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:56:57,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745186515] [2020-10-28 14:56:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:56:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:56:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:56:59,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:56:59,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 14:56:59,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:56:59,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2010 [2020-10-28 14:56:59,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:56:59,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:56:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-28 14:56:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:56:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 14:56:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:00,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:57:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:00,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:00,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:00,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:00,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:57:00,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:00,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:57:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:00,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:57:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:57:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:00,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:00,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:57:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:00,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:00,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:00,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:00,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:00,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:00,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:57:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:01,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:57:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:57:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:01,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:57:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 14:57:01,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:57:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:01,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:57:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:01,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:57:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:01,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:57:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:01,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:57:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:01,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:57:01,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:57:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:01,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:57:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:01,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:01,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:01,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:01,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:01,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:01,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:01,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 24 proven. 247 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-10-28 14:57:01,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745186515] [2020-10-28 14:57:01,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:57:01,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-28 14:57:01,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556282723] [2020-10-28 14:57:01,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-28 14:57:01,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:57:01,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-28 14:57:01,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=1056, Unknown=0, NotChecked=0, Total=1122 [2020-10-28 14:57:01,175 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand 34 states. [2020-10-28 14:57:04,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:57:04,660 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2020-10-28 14:57:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-28 14:57:04,661 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2020-10-28 14:57:04,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:57:04,662 INFO L225 Difference]: With dead ends: 67 [2020-10-28 14:57:04,662 INFO L226 Difference]: Without dead ends: 61 [2020-10-28 14:57:04,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=220, Invalid=3940, Unknown=0, NotChecked=0, Total=4160 [2020-10-28 14:57:04,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-28 14:57:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2020-10-28 14:57:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-28 14:57:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2020-10-28 14:57:04,678 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 90 [2020-10-28 14:57:04,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:57:04,679 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2020-10-28 14:57:04,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-28 14:57:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2020-10-28 14:57:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 14:57:04,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:57:04,681 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:57:04,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 14:57:04,681 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:57:04,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:57:04,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1094801959, now seen corresponding path program 14 times [2020-10-28 14:57:04,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:57:04,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299573004] [2020-10-28 14:57:04,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:57:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:06,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:09,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:09,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4426 [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:57:09,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-28 14:57:09,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:57:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:57:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:57:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:57:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:57:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:57:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:57:10,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:57:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:57:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:10,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:57:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:57:10,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:57:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:57:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:10,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:57:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:10,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:57:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:57:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:10,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:57:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:57:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:57:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:57:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:57:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:10,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:10,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:10,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:10,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:10,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:10,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:10,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:10,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:10,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-10-28 14:57:10,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299573004] [2020-10-28 14:57:10,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:57:10,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-28 14:57:10,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793251816] [2020-10-28 14:57:10,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-28 14:57:10,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:57:10,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-28 14:57:10,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 14:57:10,549 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 35 states. [2020-10-28 14:57:14,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:57:14,446 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2020-10-28 14:57:14,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-28 14:57:14,447 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 96 [2020-10-28 14:57:14,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:57:14,449 INFO L225 Difference]: With dead ends: 69 [2020-10-28 14:57:14,449 INFO L226 Difference]: Without dead ends: 63 [2020-10-28 14:57:14,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=225, Invalid=4197, Unknown=0, NotChecked=0, Total=4422 [2020-10-28 14:57:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-28 14:57:14,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2020-10-28 14:57:14,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-28 14:57:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2020-10-28 14:57:14,466 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 96 [2020-10-28 14:57:14,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:57:14,466 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2020-10-28 14:57:14,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-28 14:57:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2020-10-28 14:57:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-28 14:57:14,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:57:14,468 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:57:14,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 14:57:14,469 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:57:14,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:57:14,469 INFO L82 PathProgramCache]: Analyzing trace with hash 170061545, now seen corresponding path program 15 times [2020-10-28 14:57:14,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:57:14,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617156462] [2020-10-28 14:57:14,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:57:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:14,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:16,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:16,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:16,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 14:57:16,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:57:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1894 [2020-10-28 14:57:16,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:16,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-28 14:57:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:57:16,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-28 14:57:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:57:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:57:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:57:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:57:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:57:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:57:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:57:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:57:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:57:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:57:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:57:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:57:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:57:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:17,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:57:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:17,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:57:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:57:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:57:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:17,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:57:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:17,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:17,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:17,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:17,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:17,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:17,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-28 14:57:17,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617156462] [2020-10-28 14:57:17,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:57:17,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-28 14:57:17,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78613587] [2020-10-28 14:57:17,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-28 14:57:17,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:57:17,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-28 14:57:17,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 14:57:17,822 INFO L87 Difference]: Start difference. First operand 61 states and 75 transitions. Second operand 37 states. [2020-10-28 14:57:22,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:57:22,009 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2020-10-28 14:57:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-28 14:57:22,011 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 102 [2020-10-28 14:57:22,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:57:22,012 INFO L225 Difference]: With dead ends: 72 [2020-10-28 14:57:22,012 INFO L226 Difference]: Without dead ends: 66 [2020-10-28 14:57:22,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=239, Invalid=4731, Unknown=0, NotChecked=0, Total=4970 [2020-10-28 14:57:22,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-28 14:57:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-10-28 14:57:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-28 14:57:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2020-10-28 14:57:22,028 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 102 [2020-10-28 14:57:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:57:22,028 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2020-10-28 14:57:22,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-28 14:57:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2020-10-28 14:57:22,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 14:57:22,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:57:22,030 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:57:22,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 14:57:22,030 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:57:22,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:57:22,031 INFO L82 PathProgramCache]: Analyzing trace with hash 385772075, now seen corresponding path program 16 times [2020-10-28 14:57:22,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:57:22,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204060439] [2020-10-28 14:57:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:57:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:22,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:23,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:24,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:24,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 14:57:24,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:57:24,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2150 [2020-10-28 14:57:24,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:24,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 68 [2020-10-28 14:57:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:57:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-28 14:57:24,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:57:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:57:25,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:57:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:57:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:57:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:25,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:57:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:57:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:25,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:57:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:57:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:57:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:57:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:57:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:57:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:57:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:57:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:57:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:57:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:57:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:57:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:25,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:57:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:57:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:25,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:25,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:25,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:25,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:25,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:25,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:25,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 30 proven. 376 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-10-28 14:57:25,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204060439] [2020-10-28 14:57:25,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:57:25,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-28 14:57:25,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371466560] [2020-10-28 14:57:25,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-28 14:57:25,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:57:25,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-28 14:57:25,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1482, Unknown=0, NotChecked=0, Total=1560 [2020-10-28 14:57:25,890 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand 40 states. [2020-10-28 14:57:30,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:57:30,613 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2020-10-28 14:57:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-28 14:57:30,614 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 108 [2020-10-28 14:57:30,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:57:30,616 INFO L225 Difference]: With dead ends: 76 [2020-10-28 14:57:30,616 INFO L226 Difference]: Without dead ends: 70 [2020-10-28 14:57:30,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=262, Invalid=5590, Unknown=0, NotChecked=0, Total=5852 [2020-10-28 14:57:30,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-28 14:57:30,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2020-10-28 14:57:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-28 14:57:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2020-10-28 14:57:30,631 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 108 [2020-10-28 14:57:30,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:57:30,632 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2020-10-28 14:57:30,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-28 14:57:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2020-10-28 14:57:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-28 14:57:30,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:57:30,633 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:57:30,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 14:57:30,634 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:57:30,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:57:30,634 INFO L82 PathProgramCache]: Analyzing trace with hash 359459821, now seen corresponding path program 17 times [2020-10-28 14:57:30,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:57:30,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290602822] [2020-10-28 14:57:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:57:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:30,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:32,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:34,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:34,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-28 14:57:34,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:57:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3465 [2020-10-28 14:57:34,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:34,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:34,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 72 [2020-10-28 14:57:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:57:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 14:57:34,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:57:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:57:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:57:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:57:35,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:57:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:57:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:57:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:57:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:57:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:57:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:35,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:57:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:57:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:57:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:57:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:57:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:57:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:57:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:57:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:57:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:57:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:35,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:57:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:35,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:35,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:35,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:35,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:35,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 32 proven. 425 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2020-10-28 14:57:35,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290602822] [2020-10-28 14:57:35,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:57:35,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-28 14:57:35,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154752054] [2020-10-28 14:57:35,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-28 14:57:35,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:57:35,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-28 14:57:35,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1640, Unknown=0, NotChecked=0, Total=1722 [2020-10-28 14:57:35,967 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 42 states. [2020-10-28 14:57:41,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:57:41,179 INFO L93 Difference]: Finished difference Result 79 states and 97 transitions. [2020-10-28 14:57:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-28 14:57:41,180 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 114 [2020-10-28 14:57:41,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:57:41,181 INFO L225 Difference]: With dead ends: 79 [2020-10-28 14:57:41,181 INFO L226 Difference]: Without dead ends: 73 [2020-10-28 14:57:41,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=276, Invalid=6204, Unknown=0, NotChecked=0, Total=6480 [2020-10-28 14:57:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-28 14:57:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-10-28 14:57:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-28 14:57:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2020-10-28 14:57:41,202 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 114 [2020-10-28 14:57:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:57:41,202 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2020-10-28 14:57:41,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-28 14:57:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2020-10-28 14:57:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-28 14:57:41,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:57:41,204 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:57:41,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-28 14:57:41,204 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:57:41,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:57:41,205 INFO L82 PathProgramCache]: Analyzing trace with hash 598709295, now seen corresponding path program 18 times [2020-10-28 14:57:41,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:57:41,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973999800] [2020-10-28 14:57:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:57:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:41,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:42,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:46,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:46,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-28 14:57:46,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:57:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 14:57:46,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:46,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 76 [2020-10-28 14:57:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:57:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-28 14:57:46,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:47,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:57:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:47,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:47,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:47,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:47,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:47,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:57:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:57:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:47,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:57:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:47,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:47,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:47,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:57:47,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:47,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:47,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:57:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:57:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:57:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:57:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:57:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:57:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:57:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:57:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:57:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:57:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:57:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:57:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:57:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:57:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:57:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:57:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:57:48,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:57:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:57:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:57:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:48,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:48,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:57:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:57:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:57:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:48,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:57:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:57:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:57:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:57:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2020-10-28 14:57:48,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973999800] [2020-10-28 14:57:48,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:57:48,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-28 14:57:48,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247370372] [2020-10-28 14:57:48,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-28 14:57:48,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:57:48,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-28 14:57:48,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1705, Unknown=0, NotChecked=0, Total=1806 [2020-10-28 14:57:48,206 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 43 states. [2020-10-28 14:57:53,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:57:53,611 INFO L93 Difference]: Finished difference Result 81 states and 100 transitions. [2020-10-28 14:57:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-28 14:57:53,612 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 120 [2020-10-28 14:57:53,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:57:53,613 INFO L225 Difference]: With dead ends: 81 [2020-10-28 14:57:53,613 INFO L226 Difference]: Without dead ends: 75 [2020-10-28 14:57:53,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=371, Invalid=6435, Unknown=0, NotChecked=0, Total=6806 [2020-10-28 14:57:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-28 14:57:53,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-10-28 14:57:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 14:57:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2020-10-28 14:57:53,628 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 120 [2020-10-28 14:57:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:57:53,629 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2020-10-28 14:57:53,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-28 14:57:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2020-10-28 14:57:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 14:57:53,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:57:53,630 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:57:53,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-28 14:57:53,631 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:57:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:57:53,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1297120527, now seen corresponding path program 19 times [2020-10-28 14:57:53,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:57:53,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246679601] [2020-10-28 14:57:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:57:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:57:53,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:55,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:57:58,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:57:58,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-28 14:57:58,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:57:58,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 14:57:58,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:57:58,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:57:58,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 80 [2020-10-28 14:57:58,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:57:58,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-28 14:57:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:00,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:00,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:58:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:58:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:58:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:58:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:00,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:58:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:58:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:58:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:58:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:58:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:58:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:58:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:00,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:58:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:58:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:58:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:58:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:58:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:58:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:58:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:00,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:58:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:00,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:00,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:00,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:00,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2020-10-28 14:58:00,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246679601] [2020-10-28 14:58:00,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:58:00,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-28 14:58:00,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379466381] [2020-10-28 14:58:00,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-28 14:58:00,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:00,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-28 14:58:00,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1874, Unknown=0, NotChecked=0, Total=1980 [2020-10-28 14:58:00,807 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand 45 states. [2020-10-28 14:58:06,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:58:06,632 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2020-10-28 14:58:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-28 14:58:06,633 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 126 [2020-10-28 14:58:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:58:06,634 INFO L225 Difference]: With dead ends: 84 [2020-10-28 14:58:06,634 INFO L226 Difference]: Without dead ends: 78 [2020-10-28 14:58:06,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=390, Invalid=7092, Unknown=0, NotChecked=0, Total=7482 [2020-10-28 14:58:06,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-28 14:58:06,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-10-28 14:58:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-28 14:58:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions. [2020-10-28 14:58:06,649 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 95 transitions. Word has length 126 [2020-10-28 14:58:06,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:58:06,650 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 95 transitions. [2020-10-28 14:58:06,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-28 14:58:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2020-10-28 14:58:06,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 14:58:06,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:58:06,651 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:58:06,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-28 14:58:06,652 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:58:06,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:58:06,652 INFO L82 PathProgramCache]: Analyzing trace with hash -402794445, now seen corresponding path program 20 times [2020-10-28 14:58:06,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:58:06,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773610986] [2020-10-28 14:58:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:58:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:06,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:09,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:11,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:11,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-28 14:58:11,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:58:11,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 14:58:11,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:11,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:11,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 84 [2020-10-28 14:58:11,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:58:11,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-28 14:58:11,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:58:13,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:13,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:58:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:58:13,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:58:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:58:13,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:58:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:58:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:58:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:58:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:58:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:58:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:13,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:58:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:13,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:58:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:58:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:58:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:58:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:58:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:58:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:58:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:58:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:13,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:58:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:13,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:58:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:58:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:58:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:13,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:13,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:13,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:13,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:13,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:13,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:13,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2020-10-28 14:58:13,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773610986] [2020-10-28 14:58:13,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:58:13,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-28 14:58:13,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501578420] [2020-10-28 14:58:13,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-28 14:58:13,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:13,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-28 14:58:13,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-28 14:58:13,868 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. Second operand 47 states. [2020-10-28 14:58:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:58:20,407 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2020-10-28 14:58:20,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-28 14:58:20,412 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 132 [2020-10-28 14:58:20,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:58:20,413 INFO L225 Difference]: With dead ends: 87 [2020-10-28 14:58:20,413 INFO L226 Difference]: Without dead ends: 81 [2020-10-28 14:58:20,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=309, Invalid=7881, Unknown=0, NotChecked=0, Total=8190 [2020-10-28 14:58:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-28 14:58:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2020-10-28 14:58:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-28 14:58:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 99 transitions. [2020-10-28 14:58:20,428 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 99 transitions. Word has length 132 [2020-10-28 14:58:20,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:58:20,429 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 99 transitions. [2020-10-28 14:58:20,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-28 14:58:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2020-10-28 14:58:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 14:58:20,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:58:20,430 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:58:20,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-28 14:58:20,431 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:58:20,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:58:20,431 INFO L82 PathProgramCache]: Analyzing trace with hash 2144580597, now seen corresponding path program 21 times [2020-10-28 14:58:20,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:58:20,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934581506] [2020-10-28 14:58:20,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:58:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:20,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:23,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:25,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:25,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 14:58:25,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:58:25,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 14:58:25,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:25,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 88 [2020-10-28 14:58:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:58:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-28 14:58:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:27,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:27,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:58:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:58:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:58:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:27,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:58:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:58:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:27,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:58:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:58:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:27,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:58:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:58:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:58:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:58:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:58:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:58:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:58:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:58:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:27,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:58:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:58:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:58:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:58:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:58:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 14:58:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:27,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:27,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:27,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:27,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:27,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:27,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:27,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2020-10-28 14:58:27,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934581506] [2020-10-28 14:58:27,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:58:27,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-28 14:58:27,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689362384] [2020-10-28 14:58:27,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-28 14:58:27,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-28 14:58:27,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-28 14:58:27,958 INFO L87 Difference]: Start difference. First operand 79 states and 99 transitions. Second operand 49 states. [2020-10-28 14:58:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:58:35,150 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2020-10-28 14:58:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-28 14:58:35,151 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 138 [2020-10-28 14:58:35,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:58:35,152 INFO L225 Difference]: With dead ends: 90 [2020-10-28 14:58:35,153 INFO L226 Difference]: Without dead ends: 84 [2020-10-28 14:58:35,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=323, Invalid=8607, Unknown=0, NotChecked=0, Total=8930 [2020-10-28 14:58:35,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-28 14:58:35,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2020-10-28 14:58:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 14:58:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 103 transitions. [2020-10-28 14:58:35,171 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 103 transitions. Word has length 138 [2020-10-28 14:58:35,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:58:35,172 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 103 transitions. [2020-10-28 14:58:35,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-28 14:58:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2020-10-28 14:58:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-28 14:58:35,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:58:35,173 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:58:35,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-28 14:58:35,174 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:58:35,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:58:35,174 INFO L82 PathProgramCache]: Analyzing trace with hash 789722679, now seen corresponding path program 22 times [2020-10-28 14:58:35,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:58:35,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371008025] [2020-10-28 14:58:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:58:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:35,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:38,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:40,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-28 14:58:40,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:58:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 14:58:40,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:40,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 92 [2020-10-28 14:58:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:58:40,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-28 14:58:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:58:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:58:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:58:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:58:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:58:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:58:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:58:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:58:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:58:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:58:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:42,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:58:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:58:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:58:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:58:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:58:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:58:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:58:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:58:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:58:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:42,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:58:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 14:58:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:42,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 14:58:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:42,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:42,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:42,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:42,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1408 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2020-10-28 14:58:42,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371008025] [2020-10-28 14:58:42,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:58:42,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-28 14:58:42,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021696884] [2020-10-28 14:58:42,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-28 14:58:42,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:42,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-28 14:58:42,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-28 14:58:42,882 INFO L87 Difference]: Start difference. First operand 82 states and 103 transitions. Second operand 51 states. [2020-10-28 14:58:50,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:58:50,700 INFO L93 Difference]: Finished difference Result 93 states and 116 transitions. [2020-10-28 14:58:50,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-28 14:58:50,702 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 144 [2020-10-28 14:58:50,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:58:50,703 INFO L225 Difference]: With dead ends: 93 [2020-10-28 14:58:50,703 INFO L226 Difference]: Without dead ends: 87 [2020-10-28 14:58:50,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=337, Invalid=9365, Unknown=0, NotChecked=0, Total=9702 [2020-10-28 14:58:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-28 14:58:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2020-10-28 14:58:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-28 14:58:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 107 transitions. [2020-10-28 14:58:50,721 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 107 transitions. Word has length 144 [2020-10-28 14:58:50,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:58:50,721 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 107 transitions. [2020-10-28 14:58:50,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-28 14:58:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2020-10-28 14:58:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-28 14:58:50,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:58:50,723 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:58:50,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-28 14:58:50,723 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:58:50,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:58:50,723 INFO L82 PathProgramCache]: Analyzing trace with hash -2059239687, now seen corresponding path program 23 times [2020-10-28 14:58:50,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:58:50,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975487557] [2020-10-28 14:58:50,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:58:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:55,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 96 [2020-10-28 14:58:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:58:55,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-28 14:58:55,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:58:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:58:58,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:58:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:58:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:58:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:58:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:58:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:58:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:58:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:58:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:58:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:58:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:58:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:58:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:58:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:58:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:58:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:58:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:58:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:58:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:58:58,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:58:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:58:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:58:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 14:58:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 14:58:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 14:58:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:58:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:58:58,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:58:58,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:58:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:58:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:58:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:58:58,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:58:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:58:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:58:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:58:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:58:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2020-10-28 14:58:58,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975487557] [2020-10-28 14:58:58,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:58:58,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-28 14:58:58,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756771370] [2020-10-28 14:58:58,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-28 14:58:58,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:58:58,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-28 14:58:58,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-28 14:58:58,752 INFO L87 Difference]: Start difference. First operand 85 states and 107 transitions. Second operand 53 states. [2020-10-28 14:59:07,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:59:07,049 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions. [2020-10-28 14:59:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-28 14:59:07,050 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 150 [2020-10-28 14:59:07,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:59:07,052 INFO L225 Difference]: With dead ends: 96 [2020-10-28 14:59:07,052 INFO L226 Difference]: Without dead ends: 90 [2020-10-28 14:59:07,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1201 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=351, Invalid=10155, Unknown=0, NotChecked=0, Total=10506 [2020-10-28 14:59:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-28 14:59:07,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2020-10-28 14:59:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-28 14:59:07,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 111 transitions. [2020-10-28 14:59:07,072 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 111 transitions. Word has length 150 [2020-10-28 14:59:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:59:07,072 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 111 transitions. [2020-10-28 14:59:07,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-28 14:59:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2020-10-28 14:59:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 14:59:07,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:59:07,074 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:59:07,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-28 14:59:07,074 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:59:07,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:59:07,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1318432315, now seen corresponding path program 24 times [2020-10-28 14:59:07,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:59:07,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687872060] [2020-10-28 14:59:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:59:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:10,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 100 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-28 14:59:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:14,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:59:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:14,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:14,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:59:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:59:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:14,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:59:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:14,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:14,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:14,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:14,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:14,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:14,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:59:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:59:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:59:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:59:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:59:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:59:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:59:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:59:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:59:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:59:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:59:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:59:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:59:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:59:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:59:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:59:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:59:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:59:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:59:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 14:59:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 14:59:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:15,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 14:59:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 14:59:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:15,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:15,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:15,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:15,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:15,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:15,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:15,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1680 backedges. 46 proven. 852 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2020-10-28 14:59:15,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687872060] [2020-10-28 14:59:15,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:59:15,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-28 14:59:15,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492950148] [2020-10-28 14:59:15,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-28 14:59:15,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:59:15,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-28 14:59:15,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=2970, Unknown=0, NotChecked=0, Total=3080 [2020-10-28 14:59:15,421 INFO L87 Difference]: Start difference. First operand 88 states and 111 transitions. Second operand 56 states. [2020-10-28 14:59:24,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:59:24,619 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2020-10-28 14:59:24,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-28 14:59:24,620 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 156 [2020-10-28 14:59:24,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:59:24,622 INFO L225 Difference]: With dead ends: 100 [2020-10-28 14:59:24,622 INFO L226 Difference]: Without dead ends: 94 [2020-10-28 14:59:24,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=374, Invalid=11398, Unknown=0, NotChecked=0, Total=11772 [2020-10-28 14:59:24,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-28 14:59:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 91. [2020-10-28 14:59:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-28 14:59:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 115 transitions. [2020-10-28 14:59:24,644 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 115 transitions. Word has length 156 [2020-10-28 14:59:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:59:24,645 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 115 transitions. [2020-10-28 14:59:24,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-28 14:59:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2020-10-28 14:59:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-28 14:59:24,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:59:24,647 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:59:24,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-28 14:59:24,648 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:59:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:59:24,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1977934845, now seen corresponding path program 25 times [2020-10-28 14:59:24,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:59:24,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321172519] [2020-10-28 14:59:24,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:59:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:24,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:29,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 102 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:59:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-28 14:59:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:59:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:59:32,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:59:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:59:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:59:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:59:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:59:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:59:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:59:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:59:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:59:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:59:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:59:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:59:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:59:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:59:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:59:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:59:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:59:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:32,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:59:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:32,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:59:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:59:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 14:59:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 14:59:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 14:59:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 14:59:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:32,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 14:59:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:32,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:32,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:32,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:32,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:32,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:32,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:32,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:32,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:32,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:32,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:32,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 48 proven. 925 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2020-10-28 14:59:32,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321172519] [2020-10-28 14:59:32,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:59:32,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-28 14:59:32,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055918788] [2020-10-28 14:59:32,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-28 14:59:32,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:59:32,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-28 14:59:32,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=2945, Unknown=0, NotChecked=0, Total=3080 [2020-10-28 14:59:32,989 INFO L87 Difference]: Start difference. First operand 91 states and 115 transitions. Second operand 56 states. [2020-10-28 14:59:42,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:59:42,166 INFO L93 Difference]: Finished difference Result 103 states and 129 transitions. [2020-10-28 14:59:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-28 14:59:42,167 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 162 [2020-10-28 14:59:42,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:59:42,169 INFO L225 Difference]: With dead ends: 103 [2020-10-28 14:59:42,170 INFO L226 Difference]: Without dead ends: 97 [2020-10-28 14:59:42,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1432 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=499, Invalid=11273, Unknown=0, NotChecked=0, Total=11772 [2020-10-28 14:59:42,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-28 14:59:42,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2020-10-28 14:59:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-28 14:59:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2020-10-28 14:59:42,192 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 162 [2020-10-28 14:59:42,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:59:42,192 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2020-10-28 14:59:42,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-28 14:59:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2020-10-28 14:59:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-28 14:59:42,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:59:42,194 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:59:42,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-28 14:59:42,194 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:59:42,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:59:42,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1722892351, now seen corresponding path program 26 times [2020-10-28 14:59:42,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:59:42,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801073600] [2020-10-28 14:59:42,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:59:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:42,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:47,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:47,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:47,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-28 14:59:47,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:59:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5097 [2020-10-28 14:59:47,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:47,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 108 [2020-10-28 14:59:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:59:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-28 14:59:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:59:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:59:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 14:59:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 14:59:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:59:50,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 14:59:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:50,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:59:50,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 14:59:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:50,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:59:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:59:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:59:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 14:59:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:59:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:59:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 14:59:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 14:59:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 14:59:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 14:59:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 14:59:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-10-28 14:59:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 14:59:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 14:59:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 14:59:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 14:59:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 14:59:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:50,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 14:59:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 14:59:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:59:50,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 14:59:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:59:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 14:59:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 14:59:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 14:59:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 14:59:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:59:50,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:59:50,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:59:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:59:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:59:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2020-10-28 14:59:51,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801073600] [2020-10-28 14:59:51,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:59:51,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2020-10-28 14:59:51,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802775235] [2020-10-28 14:59:51,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 59 states [2020-10-28 14:59:51,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:59:51,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2020-10-28 14:59:51,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2020-10-28 14:59:51,006 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand 59 states.