/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive/Fibonacci01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:59:10,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:59:10,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:59:10,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:59:10,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:59:10,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:59:10,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:59:10,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:59:10,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:59:10,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:59:10,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:59:10,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:59:10,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:59:10,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:59:10,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:59:10,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:59:10,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:59:10,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:59:10,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:59:10,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:59:10,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:59:10,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:59:10,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:59:10,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:59:10,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:59:10,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:59:10,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:59:10,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:59:10,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:59:10,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:59:10,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:59:10,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:59:10,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:59:10,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:59:10,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:59:10,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:59:10,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:59:10,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:59:10,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:59:10,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:59:10,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:59:10,920 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 [2020-10-29 11:59:10,994 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:59:10,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:59:10,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:59:10,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:59:10,999 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:59:10,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:59:11,000 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:59:11,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:59:11,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:59:11,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:59:11,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:59:11,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:59:11,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:59:11,004 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:59:11,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:59:11,005 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:59:11,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:59:11,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:59:11,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:59:11,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:59:11,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:59:11,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:59:11,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:59:11,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:59:11,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:59:11,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:59:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:59:11,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:59:11,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:59:11,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:59:11,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:59:11,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:59:11,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:59:11,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:59:11,411 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:59:11,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Fibonacci01-1.c [2020-10-29 11:59:11,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0f10c9cd/d65704a6616e4fc4943d9203908d7bcf/FLAG45d161d63 [2020-10-29 11:59:12,086 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:59:12,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Fibonacci01-1.c [2020-10-29 11:59:12,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0f10c9cd/d65704a6616e4fc4943d9203908d7bcf/FLAG45d161d63 [2020-10-29 11:59:12,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b0f10c9cd/d65704a6616e4fc4943d9203908d7bcf [2020-10-29 11:59:12,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:59:12,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:59:12,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:59:12,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:59:12,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:59:12,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ae2b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12, skipping insertion in model container [2020-10-29 11:59:12,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:59:12,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:59:12,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:59:12,760 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:59:12,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:59:12,795 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:59:12,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12 WrapperNode [2020-10-29 11:59:12,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:59:12,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:59:12,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:59:12,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:59:12,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (1/1) ... [2020-10-29 11:59:12,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:59:12,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:59:12,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:59:12,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:59:12,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (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 [2020-10-29 11:59:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:59:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:59:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:59:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2020-10-29 11:59:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:59:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:59:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:59:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:59:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:59:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:59:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2020-10-29 11:59:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:59:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:59:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:59:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:59:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:59:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:59:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:59:13,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:59:13,365 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 11:59:13,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:59:13 BoogieIcfgContainer [2020-10-29 11:59:13,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:59:13,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:59:13,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:59:13,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:59:13,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:59:12" (1/3) ... [2020-10-29 11:59:13,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b98f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:59:13, skipping insertion in model container [2020-10-29 11:59:13,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:12" (2/3) ... [2020-10-29 11:59:13,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b98f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:59:13, skipping insertion in model container [2020-10-29 11:59:13,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:59:13" (3/3) ... [2020-10-29 11:59:13,379 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci01-1.c [2020-10-29 11:59:13,393 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:59:13,402 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 11:59:13,415 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 11:59:13,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:59:13,455 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:59:13,455 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:59:13,456 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:59:13,456 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:59:13,456 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:59:13,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:59:13,456 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:59:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-29 11:59:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 11:59:13,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:13,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:13,489 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:13,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:13,498 INFO L82 PathProgramCache]: Analyzing trace with hash -732444851, now seen corresponding path program 1 times [2020-10-29 11:59:13,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:13,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515330553] [2020-10-29 11:59:13,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:13,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:14,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:14,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 11:59:14,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:14,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-29 11:59:14,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:14,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:59:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:59:14,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:14,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:14,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:14,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:14,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:14,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:59:14,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:14,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:14,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:14,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:14,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:14,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:14,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:14,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:14,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:59:14,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:14,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:14,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:59:14,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515330553] [2020-10-29 11:59:14,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:59:14,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:59:14,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986599119] [2020-10-29 11:59:14,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:59:14,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:14,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:59:14,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:59:14,419 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 7 states. [2020-10-29 11:59:15,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:15,154 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-29 11:59:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 11:59:15,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-10-29 11:59:15,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:15,169 INFO L225 Difference]: With dead ends: 42 [2020-10-29 11:59:15,169 INFO L226 Difference]: Without dead ends: 24 [2020-10-29 11:59:15,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:59:15,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-29 11:59:15,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-29 11:59:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-29 11:59:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-29 11:59:15,253 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 16 [2020-10-29 11:59:15,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:15,254 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-29 11:59:15,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:59:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-29 11:59:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-29 11:59:15,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:15,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:15,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:59:15,261 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1245142590, now seen corresponding path program 1 times [2020-10-29 11:59:15,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:15,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056516611] [2020-10-29 11:59:15,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:15,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:15,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-29 11:59:15,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:15,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:59:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:15,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:15,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:15,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:59:15,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:15,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:15,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:15,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:15,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:15,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 11:59:15,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:15,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:15,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:15,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:59:15,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:59:15,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056516611] [2020-10-29 11:59:15,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:59:15,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:59:15,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046038474] [2020-10-29 11:59:15,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:59:15,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:15,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:59:15,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:59:15,771 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 7 states. [2020-10-29 11:59:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:16,228 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2020-10-29 11:59:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 11:59:16,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-10-29 11:59:16,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:16,230 INFO L225 Difference]: With dead ends: 31 [2020-10-29 11:59:16,231 INFO L226 Difference]: Without dead ends: 26 [2020-10-29 11:59:16,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:59:16,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-29 11:59:16,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-10-29 11:59:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-29 11:59:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-29 11:59:16,241 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 17 [2020-10-29 11:59:16,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:16,241 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-29 11:59:16,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:59:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-29 11:59:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 11:59:16,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:16,243 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:16,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:59:16,243 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:16,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:16,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1261626143, now seen corresponding path program 1 times [2020-10-29 11:59:16,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:16,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815144881] [2020-10-29 11:59:16,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:16,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:16,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:16,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 11:59:16,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-29 11:59:16,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:16,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:59:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:16,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:16,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:16,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:16,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:16,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:59:16,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:16,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:16,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:16,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:16,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:17,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 11:59:17,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 11:59:17,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:17,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:17,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:17,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:17,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:59:17,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:17,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:17,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:17,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:59:17,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:17,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:17,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:17,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:59:17,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:17,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 11:59:17,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815144881] [2020-10-29 11:59:17,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:17,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:59:17,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069876733] [2020-10-29 11:59:17,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:59:17,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:17,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:59:17,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:59:17,251 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 12 states. [2020-10-29 11:59:18,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:18,034 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2020-10-29 11:59:18,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:59:18,035 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-10-29 11:59:18,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:18,037 INFO L225 Difference]: With dead ends: 37 [2020-10-29 11:59:18,037 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 11:59:18,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:59:18,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 11:59:18,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2020-10-29 11:59:18,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-29 11:59:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2020-10-29 11:59:18,049 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 29 [2020-10-29 11:59:18,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:18,049 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2020-10-29 11:59:18,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:59:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2020-10-29 11:59:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 11:59:18,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:18,051 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:18,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:59:18,052 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:18,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:18,052 INFO L82 PathProgramCache]: Analyzing trace with hash -726793908, now seen corresponding path program 1 times [2020-10-29 11:59:18,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:18,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [522584310] [2020-10-29 11:59:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:18,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 11:59:19,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-29 11:59:19,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:59:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 11:59:19,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:19,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:19,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:19,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:19,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:19,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:19,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:19,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-29 11:59:19,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:19,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:19,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:19,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:19,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:59:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:19,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:19,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:59:19,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:19,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:19,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:19,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 11:59:19,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [522584310] [2020-10-29 11:59:19,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:19,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 11:59:19,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867840911] [2020-10-29 11:59:19,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:59:19,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:19,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:59:19,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:59:19,624 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand 11 states. [2020-10-29 11:59:20,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:20,517 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2020-10-29 11:59:20,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:59:20,519 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2020-10-29 11:59:20,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:20,521 INFO L225 Difference]: With dead ends: 42 [2020-10-29 11:59:20,521 INFO L226 Difference]: Without dead ends: 37 [2020-10-29 11:59:20,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:59:20,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-29 11:59:20,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-29 11:59:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 11:59:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 53 transitions. [2020-10-29 11:59:20,536 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 53 transitions. Word has length 30 [2020-10-29 11:59:20,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:20,536 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 53 transitions. [2020-10-29 11:59:20,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:59:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2020-10-29 11:59:20,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 11:59:20,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:20,538 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:20,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:59:20,539 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:20,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:20,539 INFO L82 PathProgramCache]: Analyzing trace with hash -391232570, now seen corresponding path program 2 times [2020-10-29 11:59:20,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:20,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980563669] [2020-10-29 11:59:20,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 11:59:21,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:21,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 671 [2020-10-29 11:59:21,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:59:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 11:59:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:21,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:21,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:21,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:21,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-10-29 11:59:21,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:21,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:21,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 11:59:21,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:59:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 11:59:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:21,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:59:21,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:21,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 11:59:21,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980563669] [2020-10-29 11:59:21,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:21,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:59:21,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979215028] [2020-10-29 11:59:21,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:59:21,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:21,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:59:21,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:59:21,714 INFO L87 Difference]: Start difference. First operand 36 states and 53 transitions. Second operand 12 states. [2020-10-29 11:59:22,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:22,680 INFO L93 Difference]: Finished difference Result 50 states and 80 transitions. [2020-10-29 11:59:22,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:59:22,684 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2020-10-29 11:59:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:22,686 INFO L225 Difference]: With dead ends: 50 [2020-10-29 11:59:22,686 INFO L226 Difference]: Without dead ends: 45 [2020-10-29 11:59:22,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:59:22,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-29 11:59:22,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2020-10-29 11:59:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 11:59:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 53 transitions. [2020-10-29 11:59:22,715 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 53 transitions. Word has length 30 [2020-10-29 11:59:22,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:22,716 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 53 transitions. [2020-10-29 11:59:22,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:59:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2020-10-29 11:59:22,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 11:59:22,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:22,720 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:22,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:59:22,721 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:22,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:22,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1587284657, now seen corresponding path program 2 times [2020-10-29 11:59:22,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:22,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486445379] [2020-10-29 11:59:22,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:22,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:23,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:25,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 11:59:25,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:25,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2676 [2020-10-29 11:59:25,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:25,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:59:25,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 11:59:25,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:25,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:25,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:25,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:25,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:25,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:25,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:25,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:25,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:26,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 11:59:26,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 787 [2020-10-29 11:59:26,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:26,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 11:59:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:26,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:59:26,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:26,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:26,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:26,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 11:59:26,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 11:59:26,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:26,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:26,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 11:59:26,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:26,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:26,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:26,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:26,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:26,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:26,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:26,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:59:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:59:26,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:26,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:26,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:26,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:26,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:26,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:26,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:26,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:26,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:26,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 11:59:26,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486445379] [2020-10-29 11:59:26,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:26,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:59:26,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838554320] [2020-10-29 11:59:26,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:59:26,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:26,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:59:26,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:59:26,686 INFO L87 Difference]: Start difference. First operand 36 states and 53 transitions. Second operand 15 states. [2020-10-29 11:59:27,344 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-29 11:59:28,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:28,465 INFO L93 Difference]: Finished difference Result 64 states and 118 transitions. [2020-10-29 11:59:28,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:59:28,466 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2020-10-29 11:59:28,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:28,470 INFO L225 Difference]: With dead ends: 64 [2020-10-29 11:59:28,470 INFO L226 Difference]: Without dead ends: 59 [2020-10-29 11:59:28,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=165, Invalid=705, Unknown=0, NotChecked=0, Total=870 [2020-10-29 11:59:28,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-29 11:59:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 46. [2020-10-29 11:59:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 11:59:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 84 transitions. [2020-10-29 11:59:28,490 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 84 transitions. Word has length 42 [2020-10-29 11:59:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:28,490 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 84 transitions. [2020-10-29 11:59:28,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:59:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2020-10-29 11:59:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 11:59:28,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:28,496 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:28,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:59:28,500 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:28,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:28,501 INFO L82 PathProgramCache]: Analyzing trace with hash 467354054, now seen corresponding path program 3 times [2020-10-29 11:59:28,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:28,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226083499] [2020-10-29 11:59:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:28,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:29,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:30,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:59:30,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:59:30,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1939 [2020-10-29 11:59:30,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:30,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:30,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:59:30,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:30,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:30,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:30,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:30,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:30,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:30,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:30,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:59:30,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:30,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:30,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:30,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:30,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:30,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:31,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:31,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 11:59:31,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:59:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 784 [2020-10-29 11:59:31,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:31,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 11:59:31,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:31,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:31,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:31,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:31,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:59:31,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:31,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:31,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:31,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:31,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:31,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:31,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 11:59:31,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:31,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:31,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:31,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:31,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:59:31,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:59:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:31,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:31,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:31,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:31,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:31,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:31,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:31,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:59:31,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:31,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:31,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 11:59:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:31,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:31,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:31,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:31,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:31,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:31,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:31,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:31,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 11:59:31,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226083499] [2020-10-29 11:59:31,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:31,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:59:31,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102784720] [2020-10-29 11:59:31,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:59:31,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:31,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:59:31,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:59:31,688 INFO L87 Difference]: Start difference. First operand 46 states and 84 transitions. Second operand 15 states. [2020-10-29 11:59:33,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:33,355 INFO L93 Difference]: Finished difference Result 78 states and 191 transitions. [2020-10-29 11:59:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:59:33,359 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2020-10-29 11:59:33,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:33,363 INFO L225 Difference]: With dead ends: 78 [2020-10-29 11:59:33,365 INFO L226 Difference]: Without dead ends: 73 [2020-10-29 11:59:33,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2020-10-29 11:59:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-29 11:59:33,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 59. [2020-10-29 11:59:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-29 11:59:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 133 transitions. [2020-10-29 11:59:33,403 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 133 transitions. Word has length 43 [2020-10-29 11:59:33,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:33,403 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 133 transitions. [2020-10-29 11:59:33,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:59:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 133 transitions. [2020-10-29 11:59:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 11:59:33,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:33,406 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:33,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:59:33,407 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:33,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:33,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1851568512, now seen corresponding path program 4 times [2020-10-29 11:59:33,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:33,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859357757] [2020-10-29 11:59:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:33,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:33,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:33,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:33,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:33,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:35,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:38,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:59:38,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 11:59:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 11:59:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:38,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:59:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:38,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:38,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:38,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:38,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:59:38,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:38,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:38,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:38,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:40,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 11:59:40,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 11:59:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2126 [2020-10-29 11:59:40,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:40,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:40,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:40,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:40,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 11:59:40,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:40,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:40,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:40,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:40,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:59:40,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:40,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:40,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:40,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:40,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-10-29 11:59:41,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:59:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:41,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:41,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:59:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:59:41,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:41,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:41,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:59:41,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:41,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 11:59:41,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859357757] [2020-10-29 11:59:41,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:41,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:59:41,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728117053] [2020-10-29 11:59:41,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:59:41,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:41,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:59:41,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:59:41,270 INFO L87 Difference]: Start difference. First operand 59 states and 133 transitions. Second operand 15 states. [2020-10-29 11:59:42,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:42,431 INFO L93 Difference]: Finished difference Result 83 states and 217 transitions. [2020-10-29 11:59:42,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:59:42,432 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2020-10-29 11:59:42,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:42,435 INFO L225 Difference]: With dead ends: 83 [2020-10-29 11:59:42,435 INFO L226 Difference]: Without dead ends: 78 [2020-10-29 11:59:42,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2020-10-29 11:59:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-29 11:59:42,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2020-10-29 11:59:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-29 11:59:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 208 transitions. [2020-10-29 11:59:42,463 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 208 transitions. Word has length 43 [2020-10-29 11:59:42,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:42,464 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 208 transitions. [2020-10-29 11:59:42,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:59:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 208 transitions. [2020-10-29 11:59:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 11:59:42,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:42,470 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:42,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:59:42,470 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:42,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:42,471 INFO L82 PathProgramCache]: Analyzing trace with hash -613568895, now seen corresponding path program 5 times [2020-10-29 11:59:42,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:42,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100589886] [2020-10-29 11:59:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:59:47,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 11:59:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 11:59:47,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 11:59:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:47,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:47,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:47,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:48,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:50,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 11:59:50,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 11:59:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2837 [2020-10-29 11:59:50,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:50,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 11:59:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:50,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:59:50,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:50,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:59:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 11:59:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:50,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 11:59:51,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:59:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-29 11:59:51,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:59:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 11:59:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:51,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:51,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:59:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:59:51,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:51,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:59:51,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:51,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:59:51,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:51,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:51,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:59:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 11:59:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:51,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:59:51,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:51,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-29 11:59:51,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100589886] [2020-10-29 11:59:51,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:51,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:59:51,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990327896] [2020-10-29 11:59:51,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:59:51,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:51,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:59:51,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:59:51,344 INFO L87 Difference]: Start difference. First operand 74 states and 208 transitions. Second operand 16 states. [2020-10-29 11:59:53,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:53,210 INFO L93 Difference]: Finished difference Result 98 states and 283 transitions. [2020-10-29 11:59:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:59:53,210 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2020-10-29 11:59:53,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:53,214 INFO L225 Difference]: With dead ends: 98 [2020-10-29 11:59:53,214 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 11:59:53,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2020-10-29 11:59:53,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 11:59:53,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 54. [2020-10-29 11:59:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-29 11:59:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 112 transitions. [2020-10-29 11:59:53,240 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 112 transitions. Word has length 57 [2020-10-29 11:59:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:53,241 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 112 transitions. [2020-10-29 11:59:53,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:59:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2020-10-29 11:59:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 11:59:53,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:53,243 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:53,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:59:53,243 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:53,244 INFO L82 PathProgramCache]: Analyzing trace with hash -52077047, now seen corresponding path program 3 times [2020-10-29 11:59:53,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:53,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741150558] [2020-10-29 11:59:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:53,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:53,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:53,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 11:59:54,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:59:54,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 783 [2020-10-29 11:59:54,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:59:54,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 11:59:54,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:54,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:54,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:54,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 11:59:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 11:59:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 11:59:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 11:59:54,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:59:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:54,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:54,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:59:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:54,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:54,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:59:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:54,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:54,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:59:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:54,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:59:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 11:59:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 11:59:54,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741150558] [2020-10-29 11:59:54,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:54,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 11:59:54,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277790903] [2020-10-29 11:59:54,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:59:54,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:54,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:59:54,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:59:54,619 INFO L87 Difference]: Start difference. First operand 54 states and 112 transitions. Second operand 9 states. [2020-10-29 11:59:54,878 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-29 11:59:55,122 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-29 11:59:55,360 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-10-29 11:59:55,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:55,518 INFO L93 Difference]: Finished difference Result 85 states and 187 transitions. [2020-10-29 11:59:55,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 11:59:55,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2020-10-29 11:59:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:55,520 INFO L225 Difference]: With dead ends: 85 [2020-10-29 11:59:55,520 INFO L226 Difference]: Without dead ends: 39 [2020-10-29 11:59:55,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:59:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-29 11:59:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2020-10-29 11:59:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 11:59:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2020-10-29 11:59:55,537 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 42 [2020-10-29 11:59:55,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:55,537 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2020-10-29 11:59:55,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:59:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2020-10-29 11:59:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-29 11:59:55,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:55,538 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:55,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 11:59:55,539 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:55,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:55,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1283743237, now seen corresponding path program 6 times [2020-10-29 11:59:55,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:55,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580364727] [2020-10-29 11:59:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:55,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:55,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:55,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1635 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 11:59:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:57,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:59:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:57,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:59:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-29 11:59:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:57,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:57,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:57,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:59:57,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:57,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:59:57,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:57,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:59:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:57,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 11:59:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:57,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:57,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:59:57,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 11:59:57,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 11:59:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:57,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:57,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 11:59:57,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:57,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:59:57,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:57,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:59:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 11:59:57,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1580364727] [2020-10-29 11:59:57,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:57,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:59:57,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537574656] [2020-10-29 11:59:57,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:59:57,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:57,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:59:57,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:59:57,969 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 15 states. [2020-10-29 11:59:58,481 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-10-29 11:59:58,678 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-10-29 11:59:59,046 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-29 11:59:59,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:59,606 INFO L93 Difference]: Finished difference Result 58 states and 95 transitions. [2020-10-29 11:59:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 11:59:59,607 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2020-10-29 11:59:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:59,609 INFO L225 Difference]: With dead ends: 58 [2020-10-29 11:59:59,609 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 11:59:59,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2020-10-29 11:59:59,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 11:59:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 38. [2020-10-29 11:59:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-29 11:59:59,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 56 transitions. [2020-10-29 11:59:59,627 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 56 transitions. Word has length 44 [2020-10-29 11:59:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:59,627 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 56 transitions. [2020-10-29 11:59:59,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:59:59,628 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2020-10-29 11:59:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 11:59:59,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:59,629 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:59,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 11:59:59,629 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:59,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:59,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1765493902, now seen corresponding path program 7 times [2020-10-29 11:59:59,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:59,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822086136] [2020-10-29 11:59:59,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:59,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:00,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:01,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:01,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:01,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:02,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:02,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:00:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:00:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:00:04,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:04,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:00:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 12:00:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:00:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:04,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:00:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:04,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:04,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:05,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:00:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:00:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:09,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:09,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:09,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:09,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:00:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:00:09,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:09,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:00:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:09,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:09,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:09,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:09,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:00:09,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:09,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:00:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:09,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:09,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:09,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:09,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:09,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:09,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:09,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:00:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:00:09,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:09,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:00:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:09,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:09,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:10,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:10,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:10,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:00:10,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 761 [2020-10-29 12:00:10,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:10,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:00:10,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:00:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:10,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:10,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:10,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:00:10,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:10,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:00:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:00:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:10,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:10,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:10,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:10,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:10,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:10,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:00:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:10,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:10,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:10,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:10,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:10,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:10,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:00:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:10,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:10,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:10,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:10,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:10,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:10,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:00:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 45 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-29 12:00:10,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822086136] [2020-10-29 12:00:10,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:10,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:00:10,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806444572] [2020-10-29 12:00:10,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:00:10,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:10,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:00:10,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:00:10,833 INFO L87 Difference]: Start difference. First operand 38 states and 56 transitions. Second operand 11 states. [2020-10-29 12:00:11,079 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-10-29 12:00:11,230 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-10-29 12:00:11,455 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-10-29 12:00:11,610 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-29 12:00:11,802 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-10-29 12:00:12,064 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-29 12:00:12,396 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-29 12:00:12,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:12,618 INFO L93 Difference]: Finished difference Result 78 states and 133 transitions. [2020-10-29 12:00:12,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:00:12,619 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-29 12:00:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:12,621 INFO L225 Difference]: With dead ends: 78 [2020-10-29 12:00:12,621 INFO L226 Difference]: Without dead ends: 44 [2020-10-29 12:00:12,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:00:12,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-29 12:00:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2020-10-29 12:00:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-29 12:00:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2020-10-29 12:00:12,629 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 71 [2020-10-29 12:00:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:12,630 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-10-29 12:00:12,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:00:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2020-10-29 12:00:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 12:00:12,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:12,631 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:12,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:00:12,631 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:12,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:12,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1063561970, now seen corresponding path program 8 times [2020-10-29 12:00:12,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:12,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787014786] [2020-10-29 12:00:12,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:12,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:12,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:12,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:16,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:17,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:17,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:00:17,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:00:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:00:17,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:17,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 12:00:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:00:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:00:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:17,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:17,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:17,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:17,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:17,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:17,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:17,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:17,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:17,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:17,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:17,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:17,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:00:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:17,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:17,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:17,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:19,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:00:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:00:22,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:22,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:22,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:22,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:22,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:22,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:22,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 12:00:22,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:22,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:00:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:00:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:22,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:00:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:00:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:23,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:00:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:00:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:00:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:00:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:00:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:00:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:23,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:00:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 12:00:23,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:00:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:23,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:00:23,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:00:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:00:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:00:23,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 37 proven. 87 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-29 12:00:23,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787014786] [2020-10-29 12:00:23,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:23,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 12:00:23,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324303565] [2020-10-29 12:00:23,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 12:00:23,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:23,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 12:00:23,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:00:23,521 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. Second operand 21 states. [2020-10-29 12:00:24,960 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-29 12:00:25,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:25,715 INFO L93 Difference]: Finished difference Result 57 states and 80 transitions. [2020-10-29 12:00:25,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:00:25,716 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 71 [2020-10-29 12:00:25,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:25,717 INFO L225 Difference]: With dead ends: 57 [2020-10-29 12:00:25,717 INFO L226 Difference]: Without dead ends: 52 [2020-10-29 12:00:25,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=245, Invalid=1161, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 12:00:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-29 12:00:25,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2020-10-29 12:00:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:00:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2020-10-29 12:00:25,725 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 71 [2020-10-29 12:00:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:25,726 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2020-10-29 12:00:25,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-29 12:00:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-10-29 12:00:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 12:00:25,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:25,727 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 10, 10, 10, 10, 10, 10, 10, 8, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:25,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:00:25,728 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:25,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:25,728 INFO L82 PathProgramCache]: Analyzing trace with hash 2001082401, now seen corresponding path program 9 times [2020-10-29 12:00:25,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:25,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941120569] [2020-10-29 12:00:25,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:30,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-29 12:00:30,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:00:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:00:30,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:30,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 12:00:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 12:00:30,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 12:00:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:30,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:30,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:30,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:30,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:00:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:34,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:34,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:34,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:34,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:00:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:00:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 12:00:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:35,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:35,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:37,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:00:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:00:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 12:00:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:40,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:40,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:41,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:41,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:41,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:00:41,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:00:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:00:41,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:41,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:41,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:41,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:00:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:41,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:41,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:41,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:00:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:41,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:00:41,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:00:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:00:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:00:46,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:00:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:00:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:00:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:46,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:00:46,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:00:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:00:46,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:46,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:46,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:46,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:46,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:00:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:46,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:00:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:46,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:00:46,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:00:46,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:00:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:00:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:00:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:47,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:00:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-29 12:00:47,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:00:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:00:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 12:00:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:00:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:47,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:00:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:47,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:00:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:00:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:47,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:00:47,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:00:47,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:00:47,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:00:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:00:47,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 394 proven. 237 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2020-10-29 12:00:47,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941120569] [2020-10-29 12:00:47,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:47,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:00:47,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098578553] [2020-10-29 12:00:47,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:00:47,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:47,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:00:47,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:00:47,890 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 12 states. [2020-10-29 12:00:48,164 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-10-29 12:00:48,408 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-29 12:00:48,606 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-29 12:00:49,063 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-10-29 12:00:49,231 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-29 12:00:49,402 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-29 12:00:49,760 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-29 12:00:50,263 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-10-29 12:00:50,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:50,511 INFO L93 Difference]: Finished difference Result 106 states and 171 transitions. [2020-10-29 12:00:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:00:50,512 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 154 [2020-10-29 12:00:50,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:50,514 INFO L225 Difference]: With dead ends: 106 [2020-10-29 12:00:50,514 INFO L226 Difference]: Without dead ends: 68 [2020-10-29 12:00:50,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:00:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-29 12:00:50,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 62. [2020-10-29 12:00:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-29 12:00:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 77 transitions. [2020-10-29 12:00:50,523 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 77 transitions. Word has length 154 [2020-10-29 12:00:50,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:50,524 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 77 transitions. [2020-10-29 12:00:50,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:00:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2020-10-29 12:00:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-29 12:00:50,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:50,525 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:50,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:00:50,526 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:50,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:50,526 INFO L82 PathProgramCache]: Analyzing trace with hash -802431294, now seen corresponding path program 10 times [2020-10-29 12:00:50,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:50,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496529582] [2020-10-29 12:00:50,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:50,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:50,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:50,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:53,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:53,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 12:00:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:00:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 12:00:55,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:55,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:55,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:55,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:55,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:00:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:57,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:57,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:58,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:00,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:00,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:01:00,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:01:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:01:00,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:00,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:01:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:01:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:00,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:00,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:00,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:01,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:02,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:01:05,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:01:05,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:06,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:01:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:06,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:01:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:06,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:06,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:01:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:01:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:01:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:01:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:06,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:01:06,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:01:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:06,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:01:06,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:01:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:01:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:06,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:01:06,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:01:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:01:06,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:06,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:01:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:01:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:01:06,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:01:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:01:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:06,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:06,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:06,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:06,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:06,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:01:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 91 proven. 235 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-10-29 12:01:06,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496529582] [2020-10-29 12:01:06,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:06,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 12:01:06,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581749014] [2020-10-29 12:01:06,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 12:01:06,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:06,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 12:01:06,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:01:06,562 INFO L87 Difference]: Start difference. First operand 62 states and 77 transitions. Second operand 23 states. [2020-10-29 12:01:07,150 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-10-29 12:01:07,359 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-29 12:01:07,673 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-29 12:01:08,110 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-29 12:01:09,133 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-29 12:01:09,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:09,410 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2020-10-29 12:01:09,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 12:01:09,412 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 112 [2020-10-29 12:01:09,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:09,413 INFO L225 Difference]: With dead ends: 78 [2020-10-29 12:01:09,414 INFO L226 Difference]: Without dead ends: 73 [2020-10-29 12:01:09,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=288, Invalid=1518, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 12:01:09,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-29 12:01:09,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2020-10-29 12:01:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-29 12:01:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 94 transitions. [2020-10-29 12:01:09,426 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 94 transitions. Word has length 112 [2020-10-29 12:01:09,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:09,427 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 94 transitions. [2020-10-29 12:01:09,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 12:01:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2020-10-29 12:01:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 12:01:09,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:09,429 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:09,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:01:09,429 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:09,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:09,429 INFO L82 PathProgramCache]: Analyzing trace with hash -316178767, now seen corresponding path program 11 times [2020-10-29 12:01:09,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:09,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616130205] [2020-10-29 12:01:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:09,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:10,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:10,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 12:01:14,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:01:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:01:14,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:01:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 12:01:14,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:01:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:14,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:14,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:14,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:14,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:01:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:15,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:16,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:16,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:19,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:01:19,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:01:19,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:01:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:19,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:01:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:01:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:01:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:19,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:20,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:20,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:01:24,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:01:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:01:24,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:01:24,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:01:24,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:01:24,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:01:24,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:01:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:24,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:01:24,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:24,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:24,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:24,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:24,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:24,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:24,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:24,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:24,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:24,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:01:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:24,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:24,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:24,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:24,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:24,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:24,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:01:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:24,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:01:24,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-29 12:01:24,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:24,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:25,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:01:25,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:01:25,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:25,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:25,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:25,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:25,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:01:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:25,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:01:25,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-29 12:01:25,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:01:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:01:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:01:25,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:01:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:25,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:25,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:01:25,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 299 proven. 69 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-29 12:01:25,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616130205] [2020-10-29 12:01:25,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:25,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:01:25,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134166073] [2020-10-29 12:01:25,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:01:25,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:25,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:01:25,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:01:25,371 INFO L87 Difference]: Start difference. First operand 70 states and 94 transitions. Second operand 10 states. [2020-10-29 12:01:25,743 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-10-29 12:01:25,996 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-29 12:01:26,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:26,536 INFO L93 Difference]: Finished difference Result 130 states and 177 transitions. [2020-10-29 12:01:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 12:01:26,537 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-29 12:01:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:26,539 INFO L225 Difference]: With dead ends: 130 [2020-10-29 12:01:26,539 INFO L226 Difference]: Without dead ends: 67 [2020-10-29 12:01:26,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:01:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-29 12:01:26,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-29 12:01:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-29 12:01:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2020-10-29 12:01:26,550 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 82 transitions. Word has length 139 [2020-10-29 12:01:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:26,551 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 82 transitions. [2020-10-29 12:01:26,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:01:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-10-29 12:01:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-29 12:01:26,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:26,554 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:26,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:01:26,554 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:26,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1689569205, now seen corresponding path program 12 times [2020-10-29 12:01:26,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:26,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950961801] [2020-10-29 12:01:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:28,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:28,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:01:31,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 12:01:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 12:01:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:31,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:31,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:31,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:31,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:31,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:01:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:31,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:32,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:32,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:32,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:32,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:36,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-29 12:01:36,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:01:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 12:01:36,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:36,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:01:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:01:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 12:01:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:36,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:36,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:41,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:41,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:01:41,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:01:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:41,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:42,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:44,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:44,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:46,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:46,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:01:46,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:01:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:01:46,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:46,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:01:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:46,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:01:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:46,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:46,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:46,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:46,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:47,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1759 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:48,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:01:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:01:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:48,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:48,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:01:48,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:01:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:01:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:48,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:01:48,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:01:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:01:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:01:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:48,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:48,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:48,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:48,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:48,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:48,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:01:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:49,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:49,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:01:53,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:01:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:01:53,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:01:53,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:01:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:53,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:01:53,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:53,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:53,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:53,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:53,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:53,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:01:53,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:53,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:53,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:01:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:53,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:53,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:53,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:01:53,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:01:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:54,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:54,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:54,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:01:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-29 12:01:54,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:54,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:54,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:54,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:54,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:01:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:54,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:54,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:54,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:01:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:54,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:01:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:01:54,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 479 proven. 520 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2020-10-29 12:01:54,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950961801] [2020-10-29 12:01:54,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:54,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:01:54,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516701731] [2020-10-29 12:01:54,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:01:54,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:54,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:01:54,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:01:54,502 INFO L87 Difference]: Start difference. First operand 67 states and 82 transitions. Second operand 14 states. [2020-10-29 12:01:56,021 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-29 12:01:56,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:56,831 INFO L93 Difference]: Finished difference Result 154 states and 234 transitions. [2020-10-29 12:01:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:01:56,832 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 221 [2020-10-29 12:01:56,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:56,835 INFO L225 Difference]: With dead ends: 154 [2020-10-29 12:01:56,835 INFO L226 Difference]: Without dead ends: 92 [2020-10-29 12:01:56,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:01:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-29 12:01:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 82. [2020-10-29 12:01:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-29 12:01:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2020-10-29 12:01:56,847 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 221 [2020-10-29 12:01:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:56,848 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2020-10-29 12:01:56,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:01:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2020-10-29 12:01:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-29 12:01:56,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:56,852 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:56,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 12:01:56,852 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:56,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:56,853 INFO L82 PathProgramCache]: Analyzing trace with hash 501338018, now seen corresponding path program 13 times [2020-10-29 12:01:56,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:56,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848625894] [2020-10-29 12:01:56,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:56,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:57,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:58,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:58,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 379 [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 94 [2020-10-29 12:02:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 12:02:01,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 361 [2020-10-29 12:02:01,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:02:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:02,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:02:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:02,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 12:02:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:02,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:02,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:03,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:05,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:07,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:07,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-29 12:02:07,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:02:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:02:07,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:07,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 93 [2020-10-29 12:02:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-29 12:02:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:07,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:07,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:07,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:07,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:08,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:12,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 12:02:12,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:02:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:02:12,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:12,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-29 12:02:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:12,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-29 12:02:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:12,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:12,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:12,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:12,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:15,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:15,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:17,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:17,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:02:17,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:02:17,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:02:17,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:17,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:17,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 12:02:17,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:17,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:02:17,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:17,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:17,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:17,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:17,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:02:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:17,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:17,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:17,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:17,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 12:02:17,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:17,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:02:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:17,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:02:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:17,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:17,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:17,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:17,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:17,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:02:17,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:17,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:17,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:02:17,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:02:17,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:17,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:17,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:17,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:17,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:18,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:18,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:02:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:18,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:02:18,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:02:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:02:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:18,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:18,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:18,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:18,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:18,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:18,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:02:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:18,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:02:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-29 12:02:18,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:02:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:02:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:02:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:02:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:18,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:18,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:18,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:18,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:02:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:18,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:02:18,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:02:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:02:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:02:19,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:19,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:02:19,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:19,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:02:19,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:19,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:19,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:19,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:19,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:02:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:19,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:02:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:02:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:19,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:02:19,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:02:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:02:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:19,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:19,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:19,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:19,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 12:02:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:02:19,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:02:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 12:02:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:02:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:02:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:02:20,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:02:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:20,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:20,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:20,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:02:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:20,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:02:20,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:02:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:02:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:20,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:20,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:20,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:20,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:20,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:20,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:02:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:20,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:02:20,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:02:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:02:20,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:20,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:02:20,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:02:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:02:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:02:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:20,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:20,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:02:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:02:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:02:20,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:02:20,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:02:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 547 proven. 1660 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2020-10-29 12:02:20,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848625894] [2020-10-29 12:02:20,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:02:20,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-29 12:02:20,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368741842] [2020-10-29 12:02:20,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-29 12:02:20,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:02:20,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-29 12:02:20,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 12:02:20,510 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand 35 states. [2020-10-29 12:02:21,393 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-29 12:02:21,841 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-10-29 12:02:22,379 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-29 12:02:24,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:02:24,195 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions. [2020-10-29 12:02:24,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 12:02:24,196 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 289 [2020-10-29 12:02:24,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:02:24,197 INFO L225 Difference]: With dead ends: 88 [2020-10-29 12:02:24,197 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 12:02:24,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 129 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=463, Invalid=2959, Unknown=0, NotChecked=0, Total=3422 [2020-10-29 12:02:24,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 12:02:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 12:02:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 12:02:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 12:02:24,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2020-10-29 12:02:24,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:02:24,201 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 12:02:24,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-29 12:02:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 12:02:24,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 12:02:24,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 12:02:24,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 12:02:24,884 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2020-10-29 12:02:26,728 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 123 DAG size of output: 31 [2020-10-29 12:02:27,182 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 12 [2020-10-29 12:02:27,292 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 1 [2020-10-29 12:02:27,308 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 12:02:27,308 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 12:02:27,308 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 12:02:27,309 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 12:02:27,309 INFO L274 CegarLoopResult]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2020-10-29 12:02:27,309 INFO L277 CegarLoopResult]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2020-10-29 12:02:27,309 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (or (and (<= |fibonacci_#in~n| 2) (<= 2 |fibonacci_#in~n|)) (not (<= |fibonacci_#in~n| 3)))) [2020-10-29 12:02:27,309 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-10-29 12:02:27,309 INFO L270 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (and (let ((.cse0 (<= 4 fibonacci_~n))) (or (and (<= |fibonacci_#in~n| (+ |fibonacci_#t~ret7| 1)) .cse0 (<= fibonacci_~n 6)) (and (<= 5 |fibonacci_#in~n|) (<= |fibonacci_#in~n| 5)) (and (<= |fibonacci_#in~n| 2) (= |fibonacci_#t~ret7| 1) (<= 2 |fibonacci_#in~n|)) (and .cse0 (<= (+ |fibonacci_#in~n| 1) |fibonacci_#t~ret7|)) (and .cse0 (<= fibonacci_~n 4)))) (= fibonacci_~n |fibonacci_#in~n|) (<= |fibonacci_#in~n| (+ |fibonacci_#t~ret7| 2))) [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point L22-3(line 22) no Hoare annotation was computed. [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point L17(lines 17 23) no Hoare annotation was computed. [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 12:02:27,310 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 12:02:27,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 12:02:27,311 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 12:02:27,311 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 12:02:27,311 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 12:02:27,311 INFO L274 CegarLoopResult]: For program point L33(lines 33 37) no Hoare annotation was computed. [2020-10-29 12:02:27,313 INFO L277 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-10-29 12:02:27,313 INFO L274 CegarLoopResult]: For program point L32-1(line 32) no Hoare annotation was computed. [2020-10-29 12:02:27,314 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 27 38) the Hoare annotation is: true [2020-10-29 12:02:27,314 INFO L274 CegarLoopResult]: For program point L29(lines 29 31) no Hoare annotation was computed. [2020-10-29 12:02:27,314 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 27 38) no Hoare annotation was computed. [2020-10-29 12:02:27,314 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 27 38) no Hoare annotation was computed. [2020-10-29 12:02:27,314 INFO L270 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: false [2020-10-29 12:02:27,314 INFO L274 CegarLoopResult]: For program point L36-1(line 36) no Hoare annotation was computed. [2020-10-29 12:02:27,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:02:27 BoogieIcfgContainer [2020-10-29 12:02:27,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 12:02:27,324 INFO L168 Benchmark]: Toolchain (without parser) took 194827.59 ms. Allocated memory was 151.0 MB in the beginning and 738.2 MB in the end (delta: 587.2 MB). Free memory was 127.4 MB in the beginning and 544.2 MB in the end (delta: -416.8 MB). Peak memory consumption was 451.3 MB. Max. memory is 8.0 GB. [2020-10-29 12:02:27,328 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 12:02:27,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.13 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 117.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 12:02:27,331 INFO L168 Benchmark]: Boogie Preprocessor took 33.18 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 116.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-29 12:02:27,332 INFO L168 Benchmark]: RCFGBuilder took 536.98 ms. Allocated memory is still 151.0 MB. Free memory was 116.4 MB in the beginning and 103.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-29 12:02:27,332 INFO L168 Benchmark]: TraceAbstraction took 193951.76 ms. Allocated memory was 151.0 MB in the beginning and 738.2 MB in the end (delta: 587.2 MB). Free memory was 102.8 MB in the beginning and 544.7 MB in the end (delta: -442.0 MB). Peak memory consumption was 427.2 MB. Max. memory is 8.0 GB. [2020-10-29 12:02:27,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 290.13 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 117.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.18 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 116.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 536.98 ms. Allocated memory is still 151.0 MB. Free memory was 116.4 MB in the beginning and 103.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 193951.76 ms. Allocated memory was 151.0 MB in the beginning and 738.2 MB in the end (delta: 587.2 MB). Free memory was 102.8 MB in the beginning and 544.7 MB in the end (delta: -442.0 MB). Peak memory consumption was 427.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 190.7s, OverallIterations: 18, TraceHistogramMax: 41, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 674 SDslu, 852 SDs, 0 SdLazy, 4566 SolverSat, 1070 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 927 GetRequests, 480 SyntacticMatches, 13 SemanticMatches, 434 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2182 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 133 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 189 PreInvPairs, 292 NumberOfFragments, 109 HoareAnnotationTreeSize, 189 FomulaSimplifications, 5141 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 5096 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 159.9s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1432 ConstructedInterpolants, 0 QuantifiedInterpolants, 534221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 7512/10580 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...