/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:23:15,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:23:15,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:23:15,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:23:15,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:23:15,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:23:15,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:23:15,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:23:15,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:23:15,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:23:15,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:23:15,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:23:15,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:23:15,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:23:15,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:23:15,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:23:15,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:23:15,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:23:15,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:23:16,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:23:16,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:23:16,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:23:16,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:23:16,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:23:16,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:23:16,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:23:16,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:23:16,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:23:16,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:23:16,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:23:16,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:23:16,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:23:16,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:23:16,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:23:16,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:23:16,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:23:16,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:23:16,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:23:16,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:23:16,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:23:16,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:23:16,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:23:16,082 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:23:16,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:23:16,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:23:16,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:23:16,088 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:23:16,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:23:16,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:23:16,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:23:16,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:23:16,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:23:16,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:23:16,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:23:16,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:23:16,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:23:16,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:23:16,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:23:16,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:23:16,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:23:16,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:23:16,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:23:16,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:23:16,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:23:16,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:23:16,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:23:16,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:23:16,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:23:16,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:23:16,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:23:16,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:23:16,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:23:16,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:23:16,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:23:16,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:23:16,497 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:23:16,497 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:23:16,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-28 17:23:16,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34c48404/de88da71b72b45689ffe04b345fc0950/FLAGc05744ff0 [2020-10-28 17:23:17,205 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:23:17,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-28 17:23:17,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34c48404/de88da71b72b45689ffe04b345fc0950/FLAGc05744ff0 [2020-10-28 17:23:17,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c34c48404/de88da71b72b45689ffe04b345fc0950 [2020-10-28 17:23:17,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:23:17,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:23:17,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:23:17,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:23:17,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:23:17,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128aee89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17, skipping insertion in model container [2020-10-28 17:23:17,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:23:17,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:23:17,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:23:17,768 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:23:17,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:23:17,801 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:23:17,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17 WrapperNode [2020-10-28 17:23:17,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:23:17,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:23:17,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:23:17,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:23:17,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... [2020-10-28 17:23:17,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:23:17,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:23:17,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:23:17,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:23:17,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:23:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:23:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:23:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:23:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-28 17:23:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:23:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:23:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:23:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:23:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:23:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:23:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-28 17:23:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:23:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:23:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:23:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:23:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:23:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:23:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:23:18,173 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:23:18,173 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 17:23:18,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:23:18 BoogieIcfgContainer [2020-10-28 17:23:18,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:23:18,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:23:18,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:23:18,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:23:18,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:23:17" (1/3) ... [2020-10-28 17:23:18,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1219be9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:23:18, skipping insertion in model container [2020-10-28 17:23:18,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:23:17" (2/3) ... [2020-10-28 17:23:18,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1219be9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:23:18, skipping insertion in model container [2020-10-28 17:23:18,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:23:18" (3/3) ... [2020-10-28 17:23:18,185 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_7-2.c [2020-10-28 17:23:18,198 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:23:18,204 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 17:23:18,219 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 17:23:18,250 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:23:18,250 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:23:18,250 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:23:18,250 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:23:18,251 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:23:18,251 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:23:18,251 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:23:18,251 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:23:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-28 17:23:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-28 17:23:18,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:18,306 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:18,310 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:18,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:18,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1708859500, now seen corresponding path program 1 times [2020-10-28 17:23:18,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:18,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462546664] [2020-10-28 17:23:18,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:18,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:18,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:19,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 17:23:19,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-28 17:23:19,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:19,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:23:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:23:19,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:19,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:19,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:19,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:19,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:23:19,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:19,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:19,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:19,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:19,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:19,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:19,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:23:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:19,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:23:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:19,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:23:19,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462546664] [2020-10-28 17:23:19,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:23:19,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:23:19,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089747180] [2020-10-28 17:23:19,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:23:19,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:19,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:23:19,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:23:19,537 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-28 17:23:19,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:19,856 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2020-10-28 17:23:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:23:19,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-28 17:23:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:19,868 INFO L225 Difference]: With dead ends: 41 [2020-10-28 17:23:19,868 INFO L226 Difference]: Without dead ends: 23 [2020-10-28 17:23:19,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:23:19,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-28 17:23:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-28 17:23:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-28 17:23:19,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-28 17:23:19,925 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2020-10-28 17:23:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:19,926 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-28 17:23:19,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:23:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-28 17:23:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-28 17:23:19,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:19,929 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] [2020-10-28 17:23:19,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:23:19,929 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:19,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:19,930 INFO L82 PathProgramCache]: Analyzing trace with hash -308126725, now seen corresponding path program 1 times [2020-10-28 17:23:19,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:19,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [853316197] [2020-10-28 17:23:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:19,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:19,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:20,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:22,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 17:23:22,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:23:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2757 [2020-10-28 17:23:22,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:22,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:23:22,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:22,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:22,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:22,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:22,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:23:22,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:22,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:22,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:22,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-28 17:23:23,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:23,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:23:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:23,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:23,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:23,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:23:23,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:23,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:23,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:23,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:23:23,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [853316197] [2020-10-28 17:23:23,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:23,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:23:23,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737400096] [2020-10-28 17:23:23,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:23:23,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:23,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:23:23,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:23:23,108 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 8 states. [2020-10-28 17:23:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:23,432 INFO L93 Difference]: Finished difference Result 48 states and 65 transitions. [2020-10-28 17:23:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:23:23,433 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-28 17:23:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:23,435 INFO L225 Difference]: With dead ends: 48 [2020-10-28 17:23:23,435 INFO L226 Difference]: Without dead ends: 32 [2020-10-28 17:23:23,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:23:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-28 17:23:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-28 17:23:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-28 17:23:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-10-28 17:23:23,449 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 28 [2020-10-28 17:23:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:23,450 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-10-28 17:23:23,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:23:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-10-28 17:23:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 17:23:23,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:23,452 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] [2020-10-28 17:23:23,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:23:23,453 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:23,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:23,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1144313053, now seen corresponding path program 1 times [2020-10-28 17:23:23,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:23,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851863119] [2020-10-28 17:23:23,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:23,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:23,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:23:24,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-28 17:23:24,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:23:24,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:23:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:24,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:23:24,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 17:23:24,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:23:24,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:24,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-28 17:23:24,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:23:24,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:24,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:23:24,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:24,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-28 17:23:24,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:23:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:24,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:24,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:24,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:24,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:24,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:24,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:24,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:23:24,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851863119] [2020-10-28 17:23:24,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:24,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 17:23:24,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919677573] [2020-10-28 17:23:24,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:23:24,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:24,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:23:24,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:23:24,884 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 8 states. [2020-10-28 17:23:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:25,264 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-10-28 17:23:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:23:25,266 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-28 17:23:25,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:25,270 INFO L225 Difference]: With dead ends: 71 [2020-10-28 17:23:25,272 INFO L226 Difference]: Without dead ends: 48 [2020-10-28 17:23:25,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 17:23:25,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-28 17:23:25,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2020-10-28 17:23:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 17:23:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2020-10-28 17:23:25,308 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 29 [2020-10-28 17:23:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:25,308 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2020-10-28 17:23:25,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:23:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2020-10-28 17:23:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 17:23:25,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:25,313 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] [2020-10-28 17:23:25,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:23:25,315 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:25,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:25,315 INFO L82 PathProgramCache]: Analyzing trace with hash 820089008, now seen corresponding path program 2 times [2020-10-28 17:23:25,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:25,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723775918] [2020-10-28 17:23:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:25,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:25,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:27,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:30,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 17:23:30,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:23:30,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:23:30,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:30,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:30,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:30,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 17:23:30,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:30,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:30,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:30,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:30,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:31,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 17:23:31,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:23:31,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1401 [2020-10-28 17:23:31,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:31,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 17:23:31,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:31,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:31,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:31,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:32,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:23:32,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-28 17:23:32,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:23:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:32,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:32,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:32,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:32,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:32,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:32,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:32,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:32,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:23:32,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:23:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:32,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:32,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:23:32,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:32,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 17:23:32,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723775918] [2020-10-28 17:23:32,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:32,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:23:32,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951007933] [2020-10-28 17:23:32,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:23:32,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:32,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:23:32,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:23:32,115 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 9 states. [2020-10-28 17:23:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:32,642 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2020-10-28 17:23:32,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 17:23:32,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-28 17:23:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:32,646 INFO L225 Difference]: With dead ends: 67 [2020-10-28 17:23:32,647 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 17:23:32,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:23:32,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 17:23:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-10-28 17:23:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-28 17:23:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 93 transitions. [2020-10-28 17:23:32,666 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 93 transitions. Word has length 41 [2020-10-28 17:23:32,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:32,666 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 93 transitions. [2020-10-28 17:23:32,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:23:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2020-10-28 17:23:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 17:23:32,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:32,672 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 9, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:32,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:23:32,672 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:32,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:32,673 INFO L82 PathProgramCache]: Analyzing trace with hash -446726066, now seen corresponding path program 2 times [2020-10-28 17:23:32,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:32,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152884370] [2020-10-28 17:23:32,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:32,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:35,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:36,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:37,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-28 17:23:37,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:23:37,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-28 17:23:37,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:37,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:37,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:23:37,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:37,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:37,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:37,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:37,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:37,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:37,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:37,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:37,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:41,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:42,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:23:42,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:23:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:23:42,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:42,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 17:23:42,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:23:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:42,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:42,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:43,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-28 17:23:43,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:43,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:43,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 17:23:43,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:43,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:43,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:43,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:43,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:23:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:43,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:43,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:43,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:43,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:43,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:43,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:43,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:43,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:43,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:43,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:23:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:43,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:43,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:44,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:46,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:23:46,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 17:23:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2895 [2020-10-28 17:23:46,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:46,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 17:23:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:46,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:46,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:46,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:23:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 657 [2020-10-28 17:23:46,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:46,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:23:46,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:47,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:47,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 17:23:47,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:47,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 17:23:47,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:47,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:47,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:47,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:47,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:47,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:47,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:47,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:23:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:47,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:47,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:47,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:47,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:23:47,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:47,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:23:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:23:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:47,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:47,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:47,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:47,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:47,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:23:47,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:47,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:47,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:23:47,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:47,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:47,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 174 proven. 11 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2020-10-28 17:23:47,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152884370] [2020-10-28 17:23:47,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:47,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:23:47,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322345650] [2020-10-28 17:23:47,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:23:47,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:47,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:23:47,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:23:47,178 INFO L87 Difference]: Start difference. First operand 59 states and 93 transitions. Second operand 10 states. [2020-10-28 17:23:47,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:47,977 INFO L93 Difference]: Finished difference Result 132 states and 265 transitions. [2020-10-28 17:23:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 17:23:47,977 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-28 17:23:47,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:47,981 INFO L225 Difference]: With dead ends: 132 [2020-10-28 17:23:47,981 INFO L226 Difference]: Without dead ends: 78 [2020-10-28 17:23:47,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-28 17:23:47,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-28 17:23:48,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2020-10-28 17:23:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-28 17:23:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 108 transitions. [2020-10-28 17:23:48,005 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 108 transitions. Word has length 96 [2020-10-28 17:23:48,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:48,006 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 108 transitions. [2020-10-28 17:23:48,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:23:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2020-10-28 17:23:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 17:23:48,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:48,009 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:48,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:23:48,009 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:48,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:48,010 INFO L82 PathProgramCache]: Analyzing trace with hash 574772561, now seen corresponding path program 3 times [2020-10-28 17:23:48,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:48,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143358794] [2020-10-28 17:23:48,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:48,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:49,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:53,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:23:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 17:23:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:23:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:53,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:53,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:23:53,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:53,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:53,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:23:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:53,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:54,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:55,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:56,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:58,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 17:23:58,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:23:58,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:23:58,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:58,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:23:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:23:58,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:58,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:58,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:58,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:58,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:23:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-28 17:23:58,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:58,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:23:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:23:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:23:58,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:58,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:58,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:58,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:58,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:58,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:23:58,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:58,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:23:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:23:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:58,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:58,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:58,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:23:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:58,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:58,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:23:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:58,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:58,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:58,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:58,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:58,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:23:58,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:58,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:23:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:23:58,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:23:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:58,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:23:58,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:58,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:23:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:23:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:23:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:58,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:23:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:58,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:58,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:59,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:23:59,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:23:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-28 17:23:59,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:59,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 17:23:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:59,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:23:59,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:23:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 17:23:59,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:59,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:59,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:59,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:59,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:59,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:23:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:59,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:59,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:59,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:59,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:59,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:59,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:23:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:59,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:59,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:23:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:59,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:59,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:59,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:23:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:23:59,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:23:59,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:23:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:23:59,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:23:59,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:23:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:23:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:23:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:23:59,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:23:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 56 proven. 89 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-28 17:23:59,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143358794] [2020-10-28 17:23:59,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:23:59,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:23:59,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843324186] [2020-10-28 17:23:59,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:23:59,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:23:59,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:23:59,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:23:59,098 INFO L87 Difference]: Start difference. First operand 69 states and 108 transitions. Second operand 10 states. [2020-10-28 17:23:59,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:23:59,733 INFO L93 Difference]: Finished difference Result 146 states and 262 transitions. [2020-10-28 17:23:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:23:59,737 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-10-28 17:23:59,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:23:59,740 INFO L225 Difference]: With dead ends: 146 [2020-10-28 17:23:59,740 INFO L226 Difference]: Without dead ends: 88 [2020-10-28 17:23:59,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:23:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-28 17:23:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 79. [2020-10-28 17:23:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-28 17:23:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 136 transitions. [2020-10-28 17:23:59,764 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 136 transitions. Word has length 82 [2020-10-28 17:23:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:23:59,764 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 136 transitions. [2020-10-28 17:23:59,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:23:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2020-10-28 17:23:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:23:59,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:23:59,768 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:23:59,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:23:59,768 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:23:59,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:23:59,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1700042397, now seen corresponding path program 4 times [2020-10-28 17:23:59,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:23:59,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969498218] [2020-10-28 17:23:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:23:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:23:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:23:59,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:00,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:01,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:04,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 17:24:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:04,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:04,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:04,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:04,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:04,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:04,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:04,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:04,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:04,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:24:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:09,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:09,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:24:09,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:09,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:09,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:09,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:09,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:09,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:09,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:09,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:09,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:09,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:09,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 17:24:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:09,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:09,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:09,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:09,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:09,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:24:09,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:09,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:24:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:24:09,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:10,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:10,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:10,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:10,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 17:24:10,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:10,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:24:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:24:10,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:10,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:10,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:10,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:10,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:10,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:10,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:10,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 110 proven. 16 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-10-28 17:24:10,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969498218] [2020-10-28 17:24:10,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:10,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 17:24:10,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409308836] [2020-10-28 17:24:10,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:24:10,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:10,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:24:10,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:24:10,143 INFO L87 Difference]: Start difference. First operand 79 states and 136 transitions. Second operand 9 states. [2020-10-28 17:24:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:10,788 INFO L93 Difference]: Finished difference Result 124 states and 224 transitions. [2020-10-28 17:24:10,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:24:10,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-28 17:24:10,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:10,793 INFO L225 Difference]: With dead ends: 124 [2020-10-28 17:24:10,793 INFO L226 Difference]: Without dead ends: 55 [2020-10-28 17:24:10,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:24:10,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-28 17:24:10,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2020-10-28 17:24:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-28 17:24:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2020-10-28 17:24:10,822 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 84 [2020-10-28 17:24:10,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:10,824 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2020-10-28 17:24:10,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:24:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2020-10-28 17:24:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-28 17:24:10,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:10,829 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 10, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:10,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:24:10,830 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:10,830 INFO L82 PathProgramCache]: Analyzing trace with hash 728683063, now seen corresponding path program 5 times [2020-10-28 17:24:10,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:10,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818681385] [2020-10-28 17:24:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:10,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:10,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:11,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:11,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:11,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:12,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:14,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:15,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:15,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 17:24:15,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 17:24:15,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:15,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:15,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:15,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:15,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:15,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:15,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:15,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:15,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:16,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:17,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-28 17:24:20,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:24:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:24:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:20,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 17:24:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 17:24:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:20,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:20,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:20,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:24:20,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:20,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:20,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:20,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:20,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:20,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:20,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:20,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:20,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:20,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:20,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:20,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:20,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:20,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:20,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:20,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:20,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:20,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:20,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:20,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:20,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:20,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:20,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:20,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:20,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:20,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:20,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:20,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:20,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:20,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:25,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:25,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 17:24:25,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 17:24:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:24:25,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:25,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 17:24:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:24:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:26,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:26,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:26,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:26,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:26,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:26,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:26,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:24:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:26,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:26,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:26,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:26,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:24:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 17:24:26,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:24:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:24:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 17:24:26,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:26,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:26,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:26,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:26,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:26,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:26,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:26,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 196 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2020-10-28 17:24:26,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818681385] [2020-10-28 17:24:26,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:26,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 17:24:26,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323552672] [2020-10-28 17:24:26,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 17:24:26,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:26,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 17:24:26,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:24:26,504 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand 11 states. [2020-10-28 17:24:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:27,028 INFO L93 Difference]: Finished difference Result 82 states and 128 transitions. [2020-10-28 17:24:27,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:24:27,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-10-28 17:24:27,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:27,030 INFO L225 Difference]: With dead ends: 82 [2020-10-28 17:24:27,030 INFO L226 Difference]: Without dead ends: 43 [2020-10-28 17:24:27,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:24:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-28 17:24:27,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-28 17:24:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-28 17:24:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2020-10-28 17:24:27,050 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 109 [2020-10-28 17:24:27,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:27,051 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2020-10-28 17:24:27,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 17:24:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2020-10-28 17:24:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 17:24:27,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:27,053 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:27,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:24:27,053 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:27,054 INFO L82 PathProgramCache]: Analyzing trace with hash -756009077, now seen corresponding path program 6 times [2020-10-28 17:24:27,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:27,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465684844] [2020-10-28 17:24:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:24:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:24:32,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:32,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:32,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:32,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:32,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:32,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:33,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:34,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:35,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:35,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:35,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:36,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:36,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:36,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:24:37,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 17:24:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:24:37,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:24:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-28 17:24:37,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:37,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:24:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:37,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:37,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:37,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:37,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:37,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:37,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:37,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:37,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:37,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:37,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-28 17:24:37,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:24:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:24:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:24:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 17:24:37,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:24:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:37,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:37,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:37,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:37,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:37,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:37,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:37,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:37,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:37,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:37,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:37,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:37,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:37,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:37,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:37,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:37,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 106 proven. 48 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-28 17:24:37,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465684844] [2020-10-28 17:24:37,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:37,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:24:37,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084817329] [2020-10-28 17:24:37,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:24:37,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:37,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:24:37,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:24:37,639 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand 10 states. [2020-10-28 17:24:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:38,238 INFO L93 Difference]: Finished difference Result 99 states and 151 transitions. [2020-10-28 17:24:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:24:38,239 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-10-28 17:24:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:38,241 INFO L225 Difference]: With dead ends: 99 [2020-10-28 17:24:38,241 INFO L226 Difference]: Without dead ends: 63 [2020-10-28 17:24:38,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:24:38,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-28 17:24:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2020-10-28 17:24:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-28 17:24:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2020-10-28 17:24:38,254 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 84 [2020-10-28 17:24:38,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:38,255 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2020-10-28 17:24:38,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:24:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2020-10-28 17:24:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-28 17:24:38,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:38,256 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] [2020-10-28 17:24:38,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:24:38,257 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:38,257 INFO L82 PathProgramCache]: Analyzing trace with hash -73042607, now seen corresponding path program 7 times [2020-10-28 17:24:38,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:38,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404637207] [2020-10-28 17:24:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:38,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:38,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:39,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:41,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:41,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:41,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:41,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:42,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:43,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 17:24:43,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 17:24:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:43,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:24:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:43,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:43,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:24:43,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:43,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:24:43,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:43,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:43,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:43,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:43,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:24:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:43,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:43,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:48,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-28 17:24:48,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 17:24:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:48,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:48,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:48,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:49,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:24:53,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:24:53,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:24:53,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:24:53,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:53,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:24:53,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:24:53,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:53,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:53,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:53,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:53,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:53,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:53,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:53,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:24:53,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:53,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:53,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:24:53,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:53,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:53,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:53,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:53,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:24:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:53,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:24:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:53,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:53,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:54,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:54,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4086 [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:24:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 17:24:57,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:24:57,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:57,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 17:24:57,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:57,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:24:57,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:57,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:24:57,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:57,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:57,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:57,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:57,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:57,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:57,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:57,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:24:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:24:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:57,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:24:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:57,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:57,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:24:57,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:24:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:24:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:58,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:58,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:58,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:24:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:58,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:24:58,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:58,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:24:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:58,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:24:58,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:24:58,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:24:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:24:58,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:24:58,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:24:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:24:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:24:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:24:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:24:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 294 proven. 181 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2020-10-28 17:24:58,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404637207] [2020-10-28 17:24:58,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:24:58,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 17:24:58,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565686061] [2020-10-28 17:24:58,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 17:24:58,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:24:58,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 17:24:58,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:24:58,086 INFO L87 Difference]: Start difference. First operand 56 states and 74 transitions. Second operand 17 states. [2020-10-28 17:24:59,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:24:59,216 INFO L93 Difference]: Finished difference Result 120 states and 181 transitions. [2020-10-28 17:24:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 17:24:59,216 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 138 [2020-10-28 17:24:59,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:24:59,218 INFO L225 Difference]: With dead ends: 120 [2020-10-28 17:24:59,218 INFO L226 Difference]: Without dead ends: 75 [2020-10-28 17:24:59,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2020-10-28 17:24:59,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-28 17:24:59,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2020-10-28 17:24:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-28 17:24:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2020-10-28 17:24:59,233 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 138 [2020-10-28 17:24:59,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:24:59,234 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2020-10-28 17:24:59,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 17:24:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2020-10-28 17:24:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-28 17:24:59,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:24:59,236 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 18, 11, 11, 11, 11, 11, 11, 11, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:24:59,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:24:59,236 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:24:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:24:59,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1452958051, now seen corresponding path program 8 times [2020-10-28 17:24:59,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:24:59,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22841155] [2020-10-28 17:24:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:24:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:24:59,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:24:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:25:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 17:25:04,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-28 17:25:04,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:04,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:25:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:04,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:04,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:25:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:04,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:09,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-28 17:25:09,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 17:25:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:25:09,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:09,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:25:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:25:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-28 17:25:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:09,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:09,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:10,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:14,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:14,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 17:25:14,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 17:25:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:25:14,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:14,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:25:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:25:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 17:25:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:14,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:14,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:15,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:25:15,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:25:15,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-28 17:25:15,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:15,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:25:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:25:15,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:15,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:15,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:15,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:15,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:25:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 17:25:15,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:15,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:25:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:25:15,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:15,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:15,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:15,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:15,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:25:15,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:15,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:15,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:15,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:15,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:25:15,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:15,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:15,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:15,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:15,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:25:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:25:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:25:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:15,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:15,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:15,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:25:15,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:15,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:25:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:25:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:15,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:16,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:16,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 17:25:20,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-28 17:25:20,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:25:20,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:25:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:25:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 17:25:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:20,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:20,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:25:20,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-28 17:25:20,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:25:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:25:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:20,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:20,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:25:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:25:20,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:25:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:25:20,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:20,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:20,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:20,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:20,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:20,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:25:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:25:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:20,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:20,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:25:20,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:20,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:20,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:25:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:20,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:20,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:20,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:20,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:20,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:20,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:20,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:20,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:20,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:25:20,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 17:25:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:20,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:20,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3680 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 17:25:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:25:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:25:24,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:25:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:24,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:24,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:24,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:25:24,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:25:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:24,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:24,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:24,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:25:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:24,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:25:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 17:25:24,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:25:24,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:25:24,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:25:24,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:24,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:25:24,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:25:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:25:24,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:24,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:24,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:24,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:24,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:25:24,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:24,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:25:24,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 292 proven. 471 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2020-10-28 17:25:24,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22841155] [2020-10-28 17:25:24,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:25:24,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 17:25:24,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374392520] [2020-10-28 17:25:24,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 17:25:24,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:25:24,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 17:25:24,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2020-10-28 17:25:24,579 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand 17 states. [2020-10-28 17:25:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:25:26,012 INFO L93 Difference]: Finished difference Result 138 states and 203 transitions. [2020-10-28 17:25:26,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 17:25:26,013 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 165 [2020-10-28 17:25:26,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:25:26,014 INFO L225 Difference]: With dead ends: 138 [2020-10-28 17:25:26,014 INFO L226 Difference]: Without dead ends: 77 [2020-10-28 17:25:26,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2020-10-28 17:25:26,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-28 17:25:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2020-10-28 17:25:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-28 17:25:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2020-10-28 17:25:26,027 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 165 [2020-10-28 17:25:26,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:25:26,028 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2020-10-28 17:25:26,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 17:25:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2020-10-28 17:25:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-28 17:25:26,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:25:26,030 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:25:26,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:25:26,031 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:25:26,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:25:26,031 INFO L82 PathProgramCache]: Analyzing trace with hash -732775580, now seen corresponding path program 9 times [2020-10-28 17:25:26,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:25:26,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496339806] [2020-10-28 17:25:26,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:25:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:26,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:26,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:26,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:26,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:26,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:28,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:28,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:28,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:25:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:25:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-28 17:25:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:25:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:31,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:31,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:25:31,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:31,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:31,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:25:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:31,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:36,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:36,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 17:25:36,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:25:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:25:36,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:36,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 17:25:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:25:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-28 17:25:36,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:36,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:36,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:36,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:36,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:36,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:41,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:41,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:25:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:25:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:25:41,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:41,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 17:25:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 17:25:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:41,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:41,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:41,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:41,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:41,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:41,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:25:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:25:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:25:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:25:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:46,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:25:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:25:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:25:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 17:25:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:25:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:25:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:25:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:46,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:25:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:25:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:25:46,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:25:46,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:25:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:46,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:25:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 17:25:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:25:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 17:25:46,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:25:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:46,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:25:46,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:25:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:25:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:25:46,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:25:46,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:25:46,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:25:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:46,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 156 proven. 404 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2020-10-28 17:25:46,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496339806] [2020-10-28 17:25:46,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:25:46,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:25:46,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585260357] [2020-10-28 17:25:46,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:25:46,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:25:46,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:25:46,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:25:46,583 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand 12 states. [2020-10-28 17:25:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:25:47,227 INFO L93 Difference]: Finished difference Result 151 states and 207 transitions. [2020-10-28 17:25:47,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:25:47,228 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2020-10-28 17:25:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:25:47,229 INFO L225 Difference]: With dead ends: 151 [2020-10-28 17:25:47,230 INFO L226 Difference]: Without dead ends: 89 [2020-10-28 17:25:47,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-10-28 17:25:47,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-28 17:25:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 77. [2020-10-28 17:25:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-28 17:25:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2020-10-28 17:25:47,242 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 179 [2020-10-28 17:25:47,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:25:47,243 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2020-10-28 17:25:47,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:25:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2020-10-28 17:25:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-28 17:25:47,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:25:47,247 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 30, 18, 18, 18, 18, 18, 18, 18, 12, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:25:47,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 17:25:47,247 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:25:47,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:25:47,248 INFO L82 PathProgramCache]: Analyzing trace with hash 391944136, now seen corresponding path program 10 times [2020-10-28 17:25:47,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:25:47,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664952087] [2020-10-28 17:25:47,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:25:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:47,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:49,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:49,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:49,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 343 [2020-10-28 17:25:52,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 17:25:52,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 17:25:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:52,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:25:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:25:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-28 17:25:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:52,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:25:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:52,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:25:52,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:25:52,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:25:52,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:52,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:25:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:25:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:25:52,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:25:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:52,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:52,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:53,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:53,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:54,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:55,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:55,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:55,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:55,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:55,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:25:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-28 17:25:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:25:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:25:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:25:57,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:58,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:58,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:25:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-28 17:26:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:02,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:02,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:04,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:05,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:06,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:06,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-28 17:26:07,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:07,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:07,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:07,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:08,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:08,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:08,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:12,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:12,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:26:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 17:26:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 17:26:12,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:12,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:26:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 17:26:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:12,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:12,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:12,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:12,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:12,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:12,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 17:26:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:26:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 17:26:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:26:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:26:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:26:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:26:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:26:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:26:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:26:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:26:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:26:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:26:13,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:26:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:26:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:26:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 17:26:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:26:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 17:26:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 17:26:13,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 17:26:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:26:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:26:13,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:26:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:26:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-28 17:26:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-28 17:26:13,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:26:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:26:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:26:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:26:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:26:13,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:26:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 17:26:13,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:26:13,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 17:26:13,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:26:13,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 17:26:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 17:26:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:26:13,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:13,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 17:26:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:26:13,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:26:13,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:26:13,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 17:26:13,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:26:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:26:13,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:26:13,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:26:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:26:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:26:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:26:13,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:26:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3711 backedges. 399 proven. 841 refuted. 0 times theorem prover too weak. 2471 trivial. 0 not checked. [2020-10-28 17:26:14,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664952087] [2020-10-28 17:26:14,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:26:14,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 17:26:14,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439770902] [2020-10-28 17:26:14,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 17:26:14,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:26:14,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 17:26:14,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:26:14,016 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand 16 states. [2020-10-28 17:26:15,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:26:15,438 INFO L93 Difference]: Finished difference Result 159 states and 241 transitions. [2020-10-28 17:26:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 17:26:15,439 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 261 [2020-10-28 17:26:15,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:26:15,441 INFO L225 Difference]: With dead ends: 159 [2020-10-28 17:26:15,441 INFO L226 Difference]: Without dead ends: 93 [2020-10-28 17:26:15,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2020-10-28 17:26:15,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-28 17:26:15,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-28 17:26:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-28 17:26:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2020-10-28 17:26:15,473 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 261 [2020-10-28 17:26:15,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:26:15,476 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2020-10-28 17:26:15,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 17:26:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2020-10-28 17:26:15,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-28 17:26:15,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:26:15,486 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] [2020-10-28 17:26:15,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 17:26:15,486 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:26:15,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:26:15,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1616639890, now seen corresponding path program 11 times [2020-10-28 17:26:15,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:26:15,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265911762] [2020-10-28 17:26:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:26:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 17:26:15,535 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 17:26:15,535 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 17:26:15,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 17:26:15,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:26:15 BoogieIcfgContainer [2020-10-28 17:26:15,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:26:15,624 INFO L168 Benchmark]: Toolchain (without parser) took 178061.86 ms. Allocated memory was 151.0 MB in the beginning and 723.5 MB in the end (delta: 572.5 MB). Free memory was 125.6 MB in the beginning and 603.3 MB in the end (delta: -477.6 MB). Peak memory consumption was 96.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:26:15,625 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:26:15,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 116.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-28 17:26:15,626 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 114.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:26:15,627 INFO L168 Benchmark]: RCFGBuilder took 338.20 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 101.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-28 17:26:15,635 INFO L168 Benchmark]: TraceAbstraction took 177442.32 ms. Allocated memory was 151.0 MB in the beginning and 723.5 MB in the end (delta: 572.5 MB). Free memory was 101.5 MB in the beginning and 603.3 MB in the end (delta: -501.8 MB). Peak memory consumption was 71.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:26:15,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 151.0 MB. Free memory is still 122.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 236.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 116.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 114.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 338.20 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 101.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 177442.32 ms. Allocated memory was 151.0 MB in the beginning and 723.5 MB in the end (delta: 572.5 MB). Free memory was 101.5 MB in the beginning and 603.3 MB in the end (delta: -501.8 MB). Peak memory consumption was 71.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int x = 7; [L27] CALL, EXPR fibo(x) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-1) [L13] CALL, EXPR fibo(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L13] RET, EXPR fibo(n-2) [L13] return fibo(n-1) + fibo(n-2); [L27] RET, EXPR fibo(x) [L27] int result = fibo(x); [L28] COND TRUE result == 13 [L29] CALL reach_error() [L4] __assert_fail("0", "fibo_7-2.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 177.3s, OverallIterations: 14, TraceHistogramMax: 41, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 279 SDtfs, 735 SDslu, 412 SDs, 0 SdLazy, 1974 SolverSat, 692 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 612 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 64 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 166.5s InterpolantComputationTime, 1599 NumberOfCodeBlocks, 1599 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1298 ConstructedInterpolants, 0 QuantifiedInterpolants, 345174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 7478/9583 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 incorrect! Received shutdown request...