/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:41:16,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:41:16,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:41:16,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:41:16,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:41:16,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:41:16,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:41:16,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:41:16,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:41:16,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:41:16,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:41:16,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:41:16,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:41:16,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:41:16,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:41:16,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:41:16,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:41:16,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:41:16,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:41:16,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:41:16,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:41:16,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:41:16,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:41:16,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:41:16,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:41:16,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:41:16,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:41:16,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:41:16,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:41:16,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:41:16,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:41:16,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:41:16,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:41:16,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:41:16,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:41:16,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:41:16,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:41:16,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:41:16,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:41:16,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:41:16,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:41:16,164 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 [2020-09-25 14:41:16,207 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:41:16,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:41:16,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:41:16,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:41:16,210 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:41:16,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:41:16,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:41:16,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:41:16,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:41:16,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:41:16,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:41:16,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:41:16,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:41:16,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:41:16,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:41:16,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:41:16,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:41:16,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:41:16,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:41:16,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:41:16,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:41:16,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:41:16,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:41:16,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:41:16,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:41:16,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:41:16,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:41:16,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:41:16,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:41:16,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=0.5;log-additional-information=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=0.5;log-additional-information=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=0.5;log-additional-information=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=0.5;log-additional-information=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=0.5;log-additional-information=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=0.5;log-additional-information=true; [2020-09-25 14:41:16,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:41:16,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:41:16,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:41:16,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:41:16,764 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:41:16,765 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-09-25 14:41:16,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce18f4c7e/cca711a7c45041b896e1e723a80eafe5/FLAG30d3f1080 [2020-09-25 14:41:17,444 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:41:17,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-09-25 14:41:17,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce18f4c7e/cca711a7c45041b896e1e723a80eafe5/FLAG30d3f1080 [2020-09-25 14:41:17,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce18f4c7e/cca711a7c45041b896e1e723a80eafe5 [2020-09-25 14:41:17,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:41:17,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:41:17,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:41:17,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:41:17,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:41:17,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:41:17" (1/1) ... [2020-09-25 14:41:17,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc1b413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:17, skipping insertion in model container [2020-09-25 14:41:17,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:41:17" (1/1) ... [2020-09-25 14:41:17,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:41:17,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:41:18,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:41:18,394 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:41:18,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:41:18,601 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:41:18,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18 WrapperNode [2020-09-25 14:41:18,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:41:18,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:41:18,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:41:18,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:41:18,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (1/1) ... [2020-09-25 14:41:18,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:41:18,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:41:18,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:41:18,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:41:18,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (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 [2020-09-25 14:41:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:41:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:41:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-25 14:41:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:41:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-25 14:41:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:41:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:41:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 14:41:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:41:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:41:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:41:20,411 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:41:20,412 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 14:41:20,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:41:20 BoogieIcfgContainer [2020-09-25 14:41:20,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:41:20,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:41:20,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:41:20,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:41:20,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:41:17" (1/3) ... [2020-09-25 14:41:20,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ed7552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:41:20, skipping insertion in model container [2020-09-25 14:41:20,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:18" (2/3) ... [2020-09-25 14:41:20,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ed7552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:41:20, skipping insertion in model container [2020-09-25 14:41:20,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:41:20" (3/3) ... [2020-09-25 14:41:20,433 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-09-25 14:41:20,449 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:41:20,460 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:41:20,484 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:41:20,519 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:41:20,519 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:41:20,519 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:41:20,520 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:41:20,520 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:41:20,520 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:41:20,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:41:20,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:41:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-09-25 14:41:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-25 14:41:20,564 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:20,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:20,567 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:20,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:20,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1858369017, now seen corresponding path program 1 times [2020-09-25 14:41:20,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:20,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872194903] [2020-09-25 14:41:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:21,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:21,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:21,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-25 14:41:21,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:41:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-09-25 14:41:21,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:21,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:41:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:41:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 14:41:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:41:21,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:21,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:21,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:21,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:21,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 14:41:21,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:21,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:41:21,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:41:21,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872194903] [2020-09-25 14:41:21,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:41:21,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:41:21,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577200616] [2020-09-25 14:41:21,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:41:21,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:21,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:41:21,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:41:21,728 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 4 states. [2020-09-25 14:41:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:41:23,724 INFO L93 Difference]: Finished difference Result 1069 states and 1495 transitions. [2020-09-25 14:41:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:41:23,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-09-25 14:41:23,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:41:23,751 INFO L225 Difference]: With dead ends: 1069 [2020-09-25 14:41:23,751 INFO L226 Difference]: Without dead ends: 555 [2020-09-25 14:41:23,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:41:23,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-09-25 14:41:23,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2020-09-25 14:41:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-09-25 14:41:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 670 transitions. [2020-09-25 14:41:23,875 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 670 transitions. Word has length 71 [2020-09-25 14:41:23,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:41:23,876 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 670 transitions. [2020-09-25 14:41:23,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:41:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 670 transitions. [2020-09-25 14:41:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 14:41:23,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:23,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:23,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:41:23,886 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:23,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:23,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1195397277, now seen corresponding path program 1 times [2020-09-25 14:41:23,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:23,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858718214] [2020-09-25 14:41:23,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:24,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:24,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:25,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:25,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:25,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:25,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-25 14:41:25,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:41:25,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2013 [2020-09-25 14:41:25,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:25,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:41:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 14:41:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 14:41:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:26,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:26,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:26,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:26,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:26,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:26,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 14:41:26,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:26,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:41:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:26,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:41:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:26,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:26,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:26,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 14:41:26,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:26,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-25 14:41:26,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:26,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:41:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:41:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:41:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:41:26,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858718214] [2020-09-25 14:41:26,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:41:26,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:41:26,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606709165] [2020-09-25 14:41:26,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:41:26,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:26,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:41:26,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:41:26,409 INFO L87 Difference]: Start difference. First operand 543 states and 670 transitions. Second operand 7 states. [2020-09-25 14:41:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:41:28,802 INFO L93 Difference]: Finished difference Result 1423 states and 1832 transitions. [2020-09-25 14:41:28,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:41:28,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 151 [2020-09-25 14:41:28,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:41:28,812 INFO L225 Difference]: With dead ends: 1423 [2020-09-25 14:41:28,812 INFO L226 Difference]: Without dead ends: 895 [2020-09-25 14:41:28,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:41:28,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-09-25 14:41:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 857. [2020-09-25 14:41:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-09-25 14:41:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1028 transitions. [2020-09-25 14:41:28,864 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1028 transitions. Word has length 151 [2020-09-25 14:41:28,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:41:28,865 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1028 transitions. [2020-09-25 14:41:28,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:41:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1028 transitions. [2020-09-25 14:41:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:41:28,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:28,870 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:28,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:41:28,870 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash 659489306, now seen corresponding path program 1 times [2020-09-25 14:41:28,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:28,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018195405] [2020-09-25 14:41:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:28,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:29,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:29,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:29,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:30,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:30,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:31,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:33,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:33,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-09-25 14:41:33,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:41:33,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 14:41:33,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:33,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 14:41:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:41:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-25 14:41:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:34,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:34,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:34,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:34,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:34,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:34,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 14:41:34,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:34,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:34,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:34,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:41:34,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:41:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:34,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:34,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:34,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:41:34,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 14:41:34,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:34,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:41:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:41:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 14:41:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:41:34,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018195405] [2020-09-25 14:41:34,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:41:34,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 14:41:34,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028880957] [2020-09-25 14:41:34,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:41:34,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:34,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:41:34,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:41:34,453 INFO L87 Difference]: Start difference. First operand 857 states and 1028 transitions. Second operand 8 states. [2020-09-25 14:41:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:41:37,764 INFO L93 Difference]: Finished difference Result 2386 states and 2925 transitions. [2020-09-25 14:41:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:41:37,766 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2020-09-25 14:41:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:41:37,775 INFO L225 Difference]: With dead ends: 2386 [2020-09-25 14:41:37,775 INFO L226 Difference]: Without dead ends: 1544 [2020-09-25 14:41:37,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:41:37,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-09-25 14:41:37,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1508. [2020-09-25 14:41:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2020-09-25 14:41:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1775 transitions. [2020-09-25 14:41:37,862 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1775 transitions. Word has length 160 [2020-09-25 14:41:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:41:37,863 INFO L479 AbstractCegarLoop]: Abstraction has 1508 states and 1775 transitions. [2020-09-25 14:41:37,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:41:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1775 transitions. [2020-09-25 14:41:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 14:41:37,871 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:37,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:37,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:41:37,872 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:37,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:37,872 INFO L82 PathProgramCache]: Analyzing trace with hash 33665550, now seen corresponding path program 1 times [2020-09-25 14:41:37,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:37,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616096030] [2020-09-25 14:41:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:38,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:38,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:41,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:41,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 14:41:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 14:41:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4552 [2020-09-25 14:41:42,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:42,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:41:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 14:41:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 14:41:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:42,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:42,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:42,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:42,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:41:42,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:42,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:41:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:41:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:41:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:42,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-25 14:41:42,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 14:41:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:42,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 14:41:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:42,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:41:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:42,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:42,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:42,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:42,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 14:41:42,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:41:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 14:41:42,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:42,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:41:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:41:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:41:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 124 proven. 51 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 14:41:43,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616096030] [2020-09-25 14:41:43,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:41:43,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 14:41:43,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827619990] [2020-09-25 14:41:43,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:41:43,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:43,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:41:43,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:41:43,023 INFO L87 Difference]: Start difference. First operand 1508 states and 1775 transitions. Second operand 7 states. [2020-09-25 14:41:45,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:41:45,371 INFO L93 Difference]: Finished difference Result 2742 states and 3382 transitions. [2020-09-25 14:41:45,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:41:45,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-25 14:41:45,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:41:45,382 INFO L225 Difference]: With dead ends: 2742 [2020-09-25 14:41:45,383 INFO L226 Difference]: Without dead ends: 1886 [2020-09-25 14:41:45,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:41:45,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2020-09-25 14:41:45,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1684. [2020-09-25 14:41:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-09-25 14:41:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 1976 transitions. [2020-09-25 14:41:45,439 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 1976 transitions. Word has length 230 [2020-09-25 14:41:45,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:41:45,440 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 1976 transitions. [2020-09-25 14:41:45,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:41:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1976 transitions. [2020-09-25 14:41:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-25 14:41:45,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:45,449 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:45,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:41:45,450 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:45,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1674500493, now seen corresponding path program 1 times [2020-09-25 14:41:45,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:45,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447501481] [2020-09-25 14:41:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:45,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:45,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:45,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:46,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:46,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:50,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:50,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 14:41:50,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:41:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 14:41:50,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:50,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:41:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-09-25 14:41:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 14:41:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 14:41:50,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:50,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:50,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:50,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:50,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:50,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:41:50,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:50,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:41:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:41:50,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:50,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:41:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:50,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:50,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:41:50,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 14:41:50,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:50,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:50,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 14:41:50,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:41:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 14:41:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:50,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:51,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:51,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 14:41:51,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-09-25 14:41:51,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:51,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:41:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:41:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 14:41:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 14:41:51,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447501481] [2020-09-25 14:41:51,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:41:51,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 14:41:51,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420312339] [2020-09-25 14:41:51,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:41:51,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:51,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:41:51,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:41:51,324 INFO L87 Difference]: Start difference. First operand 1684 states and 1976 transitions. Second operand 8 states. [2020-09-25 14:41:54,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:41:54,291 INFO L93 Difference]: Finished difference Result 3826 states and 4821 transitions. [2020-09-25 14:41:54,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:41:54,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 252 [2020-09-25 14:41:54,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:41:54,307 INFO L225 Difference]: With dead ends: 3826 [2020-09-25 14:41:54,308 INFO L226 Difference]: Without dead ends: 2322 [2020-09-25 14:41:54,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:41:54,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2020-09-25 14:41:54,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2302. [2020-09-25 14:41:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2302 states. [2020-09-25 14:41:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 2850 transitions. [2020-09-25 14:41:54,399 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 2850 transitions. Word has length 252 [2020-09-25 14:41:54,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:41:54,400 INFO L479 AbstractCegarLoop]: Abstraction has 2302 states and 2850 transitions. [2020-09-25 14:41:54,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:41:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2850 transitions. [2020-09-25 14:41:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 14:41:54,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:54,406 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:54,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:41:54,407 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:54,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:54,407 INFO L82 PathProgramCache]: Analyzing trace with hash 335959811, now seen corresponding path program 1 times [2020-09-25 14:41:54,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:54,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969684578] [2020-09-25 14:41:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:54,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:55,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:59,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:59,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 14:41:59,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:41:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 14:41:59,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:59,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:41:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-25 14:41:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 14:41:59,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:59,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:59,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:59,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:59,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:59,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:41:59,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:59,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:41:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:41:59,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:41:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:59,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:59,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:59,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:41:59,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-25 14:41:59,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:59,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:41:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 14:41:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:59,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:59,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:59,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-25 14:41:59,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 14:41:59,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:59,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:59,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:41:59,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:41:59,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 14:41:59,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:42:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 14:42:00,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969684578] [2020-09-25 14:42:00,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:42:00,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 14:42:00,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268026073] [2020-09-25 14:42:00,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:42:00,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:42:00,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:42:00,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:42:00,028 INFO L87 Difference]: Start difference. First operand 2302 states and 2850 transitions. Second operand 7 states. [2020-09-25 14:42:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:42:02,598 INFO L93 Difference]: Finished difference Result 4948 states and 6275 transitions. [2020-09-25 14:42:02,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:42:02,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 254 [2020-09-25 14:42:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:42:02,612 INFO L225 Difference]: With dead ends: 4948 [2020-09-25 14:42:02,613 INFO L226 Difference]: Without dead ends: 2474 [2020-09-25 14:42:02,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:42:02,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2020-09-25 14:42:02,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2104. [2020-09-25 14:42:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2104 states. [2020-09-25 14:42:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2400 transitions. [2020-09-25 14:42:02,686 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2400 transitions. Word has length 254 [2020-09-25 14:42:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:42:02,686 INFO L479 AbstractCegarLoop]: Abstraction has 2104 states and 2400 transitions. [2020-09-25 14:42:02,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:42:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2400 transitions. [2020-09-25 14:42:02,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-09-25 14:42:02,693 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:42:02,693 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:42:02,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:42:02,694 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:42:02,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:42:02,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1463194322, now seen corresponding path program 1 times [2020-09-25 14:42:02,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:42:02,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084471546] [2020-09-25 14:42:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:42:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:02,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:03,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:03,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-09-25 14:42:03,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:03,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-09-25 14:42:03,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:03,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:42:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-09-25 14:42:03,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 14:42:03,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1