/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:01:32,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:01:32,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:01:32,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:01:32,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:01:32,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:01:32,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:01:32,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:01:32,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:01:32,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:01:32,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:01:32,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:01:32,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:01:32,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:01:32,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:01:32,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:01:32,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:01:32,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:01:32,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:01:32,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:01:32,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:01:32,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:01:32,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:01:32,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:01:32,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:01:32,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:01:32,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:01:32,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:01:32,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:01:32,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:01:32,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:01:32,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:01:32,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:01:32,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:01:32,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:01:32,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:01:32,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:01:32,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:01:32,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:01:32,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:01:32,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:01:32,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 04:01:33,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:01:33,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:01:33,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:01:33,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:01:33,015 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:01:33,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:01:33,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:01:33,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:01:33,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:01:33,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:01:33,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:01:33,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:01:33,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:01:33,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:01:33,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:01:33,019 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:01:33,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:01:33,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:01:33,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:01:33,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:01:33,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:01:33,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:01:33,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:01:33,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:01:33,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:01:33,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:01:33,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:01:33,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:01:33,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:01:33,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:01:33,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:01:33,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:01:33,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:01:33,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:01:33,547 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:01:33,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-10-27 04:01:33,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c923b7017/f98fe2a26f074418be8e31747d59e5cf/FLAG1b8f7cfb1 [2020-10-27 04:01:34,221 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:01:34,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-10-27 04:01:34,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c923b7017/f98fe2a26f074418be8e31747d59e5cf/FLAG1b8f7cfb1 [2020-10-27 04:01:34,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c923b7017/f98fe2a26f074418be8e31747d59e5cf [2020-10-27 04:01:34,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:01:34,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:01:34,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:01:34,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:01:34,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:01:34,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a73188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34, skipping insertion in model container [2020-10-27 04:01:34,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:01:34,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:01:34,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:01:34,789 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:01:34,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:01:34,833 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:01:34,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34 WrapperNode [2020-10-27 04:01:34,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:01:34,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:01:34,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:01:34,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:01:34,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... [2020-10-27 04:01:34,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:01:34,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:01:34,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:01:34,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:01:34,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:01:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:01:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:01:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:01:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 04:01:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 04:01:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:01:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:01:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:01:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:01:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:01:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:01:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 04:01:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 04:01:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:01:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:01:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:01:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:01:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:01:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:01:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:01:35,222 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:01:35,222 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 04:01:35,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:01:35 BoogieIcfgContainer [2020-10-27 04:01:35,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:01:35,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:01:35,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:01:35,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:01:35,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:01:34" (1/3) ... [2020-10-27 04:01:35,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1d4e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:01:35, skipping insertion in model container [2020-10-27 04:01:35,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:34" (2/3) ... [2020-10-27 04:01:35,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1d4e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:01:35, skipping insertion in model container [2020-10-27 04:01:35,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:01:35" (3/3) ... [2020-10-27 04:01:35,233 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-10-27 04:01:35,248 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:01:35,253 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:01:35,271 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:01:35,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:01:35,303 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:01:35,303 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:01:35,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:01:35,304 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:01:35,304 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:01:35,304 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:01:35,304 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:01:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 04:01:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 04:01:35,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:01:35,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:01:35,361 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:01:35,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:01:35,367 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 04:01:35,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:01:35,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831870118] [2020-10-27 04:01:35,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:01:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:35,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:35,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:36,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:36,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 04:01:36,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:01:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 665 [2020-10-27 04:01:36,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:01:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:01:36,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:01:36,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:01:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:01:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:36,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:36,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:36,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:01:36,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:01:36,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:01:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:01:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:36,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:01:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:36,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:36,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:36,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:01:36,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:36,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:01:36,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:01:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:01:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:01:36,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:01:36,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831870118] [2020-10-27 04:01:36,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:01:36,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:01:36,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788582342] [2020-10-27 04:01:36,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:01:36,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:01:36,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:01:36,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:01:36,469 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 04:01:36,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:01:36,827 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 04:01:36,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:01:36,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 04:01:36,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:01:36,848 INFO L225 Difference]: With dead ends: 50 [2020-10-27 04:01:36,848 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 04:01:36,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:01:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 04:01:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 04:01:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:01:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:01:36,938 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 04:01:36,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:01:36,938 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:01:36,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:01:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:01:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 04:01:36,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:01:36,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:01:36,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:01:36,946 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:01:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:01:36,950 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 04:01:36,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:01:36,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43038919] [2020-10-27 04:01:36,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:01:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:36,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:37,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:37,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:39,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 04:01:39,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:01:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2312 [2020-10-27 04:01:39,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:01:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:01:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:01:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:39,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:01:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:39,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:39,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:01:39,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:39,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:01:39,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:01:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:01:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:39,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:01:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:39,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:39,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:01:39,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:01:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-27 04:01:39,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:01:39,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:01:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:01:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:01:39,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:01:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:39,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:39,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:01:39,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:01:39,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:01:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:01:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:39,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:01:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:39,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:39,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:01:39,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:39,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:01:39,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:39,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:01:39,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:39,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:01:39,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:01:39,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43038919] [2020-10-27 04:01:39,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:01:39,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 04:01:39,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491196799] [2020-10-27 04:01:39,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:01:39,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:01:39,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:01:39,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:01:39,719 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-27 04:01:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:01:40,168 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-27 04:01:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:01:40,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 04:01:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:01:40,171 INFO L225 Difference]: With dead ends: 44 [2020-10-27 04:01:40,172 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 04:01:40,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:01:40,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 04:01:40,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-27 04:01:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:01:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:01:40,196 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-27 04:01:40,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:01:40,196 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:01:40,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:01:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:01:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 04:01:40,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:01:40,201 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:01:40,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:01:40,202 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:01:40,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:01:40,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 04:01:40,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:01:40,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527039975] [2020-10-27 04:01:40,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:01:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:40,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:40,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:01:41,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:01:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1617 [2020-10-27 04:01:41,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:01:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:01:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 04:01:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:01:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:41,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:41,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:41,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:01:41,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:01:41,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:01:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:41,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:01:41,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:01:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:41,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:41,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:42,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:01:42,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:01:42,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 04:01:42,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:01:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:01:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:01:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:42,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:01:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:42,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:01:42,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:01:42,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:01:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:01:42,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:42,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:01:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:42,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:01:42,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:01:42,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:01:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:01:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:01:42,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527039975] [2020-10-27 04:01:42,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:01:42,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:01:42,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595156453] [2020-10-27 04:01:42,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:01:42,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:01:42,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:01:42,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:01:42,127 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-27 04:01:42,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:01:42,485 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-27 04:01:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:01:42,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 04:01:42,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:01:42,488 INFO L225 Difference]: With dead ends: 52 [2020-10-27 04:01:42,489 INFO L226 Difference]: Without dead ends: 47 [2020-10-27 04:01:42,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:01:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-27 04:01:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2020-10-27 04:01:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 04:01:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2020-10-27 04:01:42,501 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 51 transitions. Word has length 30 [2020-10-27 04:01:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:01:42,502 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 51 transitions. [2020-10-27 04:01:42,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:01:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2020-10-27 04:01:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 04:01:42,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:01:42,504 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:01:42,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:01:42,504 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:01:42,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:01:42,505 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-27 04:01:42,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:01:42,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827242216] [2020-10-27 04:01:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:01:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:42,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:43,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:44,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:47,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:01:47,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:01:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:01:47,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:01:47,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:01:47,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 04:01:47,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:47,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:01:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:47,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:47,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:01:47,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:47,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:01:47,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:01:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:01:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:01:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:47,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:47,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:48,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:01:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:01:48,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1316 [2020-10-27 04:01:48,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:01:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:01:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:01:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:01:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:48,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:48,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:48,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:49,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:01:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:01:49,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-27 04:01:49,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:01:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:01:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:01:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:49,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:49,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:01:49,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:01:49,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:01:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:01:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:01:49,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:01:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:49,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:49,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:01:49,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:49,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:01:49,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:49,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:01:49,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:49,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:01:49,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:49,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:01:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:49,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:01:49,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:49,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:01:49,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:01:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:49,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:01:49,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 04:01:49,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827242216] [2020-10-27 04:01:49,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:01:49,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:01:49,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420728699] [2020-10-27 04:01:49,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:01:49,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:01:49,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:01:49,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:01:49,253 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. Second operand 10 states. [2020-10-27 04:01:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:01:49,752 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-10-27 04:01:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:01:49,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-10-27 04:01:49,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:01:49,759 INFO L225 Difference]: With dead ends: 56 [2020-10-27 04:01:49,759 INFO L226 Difference]: Without dead ends: 51 [2020-10-27 04:01:49,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:01:49,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-27 04:01:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2020-10-27 04:01:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 04:01:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-27 04:01:49,780 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 42 [2020-10-27 04:01:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:01:49,780 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-27 04:01:49,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:01:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-27 04:01:49,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 04:01:49,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:01:49,787 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:01:49,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:01:49,787 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:01:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:01:49,788 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-27 04:01:49,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:01:49,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715999296] [2020-10-27 04:01:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:01:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:49,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:50,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:50,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:50,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:50,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:54,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 04:01:54,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:01:54,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:01:54,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:54,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:01:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:01:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:01:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:54,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:01:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:54,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:01:54,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:01:54,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:01:54,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:54,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:01:54,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:54,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:01:54,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:54,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:01:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:54,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:55,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:55,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:55,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:57,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:57,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:57,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:59,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:59,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:01:59,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:01:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:01:59,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:01:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:01:59,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:01:59,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:01:59,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:01:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:01:59,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:59,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:01:59,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:01:59,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:01:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:01:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 04:01:59,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:01:59,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:01:59,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:01:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:01:59,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:02:00,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:00,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:00,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:00,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:00,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:02:00,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:00,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:02:00,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:00,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:00,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:00,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:00,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:00,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:00,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:02:00,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:02:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:00,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:00,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:00,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:00,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:02:00,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:02:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:00,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:00,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:00,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:00,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:00,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:00,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:00,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:00,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:00,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:00,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:00,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:00,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 04:02:00,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715999296] [2020-10-27 04:02:00,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:02:00,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:02:00,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586123754] [2020-10-27 04:02:00,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:02:00,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:02:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:02:00,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:02:00,106 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-10-27 04:02:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:02:00,610 INFO L93 Difference]: Finished difference Result 73 states and 121 transitions. [2020-10-27 04:02:00,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:02:00,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-27 04:02:00,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:02:00,615 INFO L225 Difference]: With dead ends: 73 [2020-10-27 04:02:00,615 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 04:02:00,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:02:00,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 04:02:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 60. [2020-10-27 04:02:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 04:02:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 96 transitions. [2020-10-27 04:02:00,636 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 96 transitions. Word has length 56 [2020-10-27 04:02:00,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:02:00,637 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 96 transitions. [2020-10-27 04:02:00,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:02:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2020-10-27 04:02:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 04:02:00,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:02:00,639 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:02:00,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:02:00,640 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:02:00,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:02:00,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1577514399, now seen corresponding path program 1 times [2020-10-27 04:02:00,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:02:00,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55085122] [2020-10-27 04:02:00,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:02:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:00,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:00,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:03,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:03,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:02:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:02:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:02:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:05,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:02:05,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:02:05,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:02:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:05,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:06,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:06,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:07,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:10,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:10,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 04:02:10,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 04:02:10,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:02:10,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:02:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:02:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 04:02:10,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:10,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:10,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:02:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:02:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:02:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:02:11,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:02:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:11,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:02:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:11,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:11,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:11,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:02:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:02:11,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:02:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-27 04:02:11,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:02:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:02:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:02:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:11,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:02:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:11,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:02:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:11,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:11,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:02:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 04:02:11,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55085122] [2020-10-27 04:02:11,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:02:11,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:02:11,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201132126] [2020-10-27 04:02:11,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:02:11,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:02:11,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:02:11,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:02:11,942 INFO L87 Difference]: Start difference. First operand 60 states and 96 transitions. Second operand 10 states. [2020-10-27 04:02:12,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:02:12,701 INFO L93 Difference]: Finished difference Result 81 states and 141 transitions. [2020-10-27 04:02:12,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:02:12,702 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2020-10-27 04:02:12,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:02:12,706 INFO L225 Difference]: With dead ends: 81 [2020-10-27 04:02:12,706 INFO L226 Difference]: Without dead ends: 76 [2020-10-27 04:02:12,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:02:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-27 04:02:12,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 60. [2020-10-27 04:02:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 04:02:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 96 transitions. [2020-10-27 04:02:12,724 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 96 transitions. Word has length 80 [2020-10-27 04:02:12,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:02:12,725 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 96 transitions. [2020-10-27 04:02:12,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:02:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2020-10-27 04:02:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 04:02:12,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:02:12,727 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:02:12,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:02:12,728 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:02:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:02:12,729 INFO L82 PathProgramCache]: Analyzing trace with hash 909356298, now seen corresponding path program 1 times [2020-10-27 04:02:12,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:02:12,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143207970] [2020-10-27 04:02:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:02:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:12,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:12,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:12,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:14,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:14,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:15,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:17,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:02:17,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 04:02:17,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:02:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:17,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:17,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:17,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:02:17,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:17,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:17,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:17,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:17,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:17,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:17,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:02:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:17,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:17,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:17,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:21,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:02:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:22,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:22,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:02:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:02:23,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:02:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:02:23,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:02:23,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 04:02:23,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:02:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:02:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:02:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:02:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:23,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:23,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:23,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:02:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:02:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:02:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:02:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:02:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 04:02:23,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:23,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:02:23,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:02:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:02:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:23,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:02:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:02:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:23,501 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 33 proven. 29 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 04:02:23,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143207970] [2020-10-27 04:02:23,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:02:23,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 04:02:23,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218031531] [2020-10-27 04:02:23,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 04:02:23,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:02:23,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 04:02:23,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:02:23,506 INFO L87 Difference]: Start difference. First operand 60 states and 96 transitions. Second operand 17 states. [2020-10-27 04:02:23,939 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-10-27 04:02:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:02:24,832 INFO L93 Difference]: Finished difference Result 127 states and 229 transitions. [2020-10-27 04:02:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 04:02:24,832 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 70 [2020-10-27 04:02:24,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:02:24,835 INFO L225 Difference]: With dead ends: 127 [2020-10-27 04:02:24,835 INFO L226 Difference]: Without dead ends: 74 [2020-10-27 04:02:24,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=140, Invalid=730, Unknown=0, NotChecked=0, Total=870 [2020-10-27 04:02:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-27 04:02:24,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-10-27 04:02:24,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-27 04:02:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 103 transitions. [2020-10-27 04:02:24,854 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 103 transitions. Word has length 70 [2020-10-27 04:02:24,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:02:24,855 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 103 transitions. [2020-10-27 04:02:24,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 04:02:24,855 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2020-10-27 04:02:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 04:02:24,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:02:24,856 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:02:24,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:02:24,857 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:02:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:02:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-27 04:02:24,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:02:24,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282270003] [2020-10-27 04:02:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:02:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:24,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:24,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:25,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:26,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:26,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:26,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:26,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:26,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:29,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:29,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 04:02:29,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:02:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 04:02:29,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:02:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:02:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:02:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:29,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:02:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:29,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:29,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:29,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:02:29,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:29,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:02:29,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:29,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:29,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:02:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:29,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:29,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:30,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:30,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:30,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:31,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:33,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:34,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:34,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:34,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:34,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 04:02:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:34,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:02:35,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:02:35,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:02:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:35,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:35,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:02:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:35,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:02:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:02:35,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:02:35,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:02:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:35,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:35,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:35,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:02:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:35,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:35,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:35,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:02:35,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:02:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 41 proven. 15 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-27 04:02:35,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282270003] [2020-10-27 04:02:35,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:02:35,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:02:35,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603456331] [2020-10-27 04:02:35,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:02:35,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:02:35,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:02:35,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:02:35,478 INFO L87 Difference]: Start difference. First operand 72 states and 103 transitions. Second operand 9 states. [2020-10-27 04:02:36,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:02:36,101 INFO L93 Difference]: Finished difference Result 110 states and 170 transitions. [2020-10-27 04:02:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 04:02:36,103 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-27 04:02:36,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:02:36,106 INFO L225 Difference]: With dead ends: 110 [2020-10-27 04:02:36,106 INFO L226 Difference]: Without dead ends: 105 [2020-10-27 04:02:36,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:02:36,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-27 04:02:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2020-10-27 04:02:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 04:02:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 145 transitions. [2020-10-27 04:02:36,130 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 145 transitions. Word has length 84 [2020-10-27 04:02:36,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:02:36,131 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 145 transitions. [2020-10-27 04:02:36,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:02:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2020-10-27 04:02:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 04:02:36,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:02:36,133 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:02:36,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:02:36,133 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:02:36,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:02:36,134 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 1 times [2020-10-27 04:02:36,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:02:36,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669822599] [2020-10-27 04:02:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:02:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:36,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:36,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:36,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:37,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:37,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:38,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:38,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:38,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:38,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:38,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:39,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:39,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:39,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:40,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:02:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:02:41,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:02:41,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:02:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:41,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:41,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:02:41,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:41,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:41,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:02:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:41,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:41,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:42,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:43,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:43,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:44,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:46,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 04:02:46,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 04:02:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:02:46,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 04:02:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:02:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 04:02:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:46,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:46,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:47,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:47,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:47,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:47,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:02:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:51,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:02:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 04:02:51,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:02:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:02:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:51,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:02:51,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:02:51,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:51,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:02:51,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:51,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:51,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:51,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:02:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:02:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:51,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:51,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:02:51,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:51,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:02:51,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:51,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:51,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:02:51,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:51,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:51,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:51,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:51,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:02:51,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:02:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:02:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:51,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 04:02:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:52,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2318 [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:02:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:02:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:02:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:53,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:53,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:53,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:53,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:54,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:02:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 04:02:54,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:02:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:02:54,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:54,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:54,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:02:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:02:54,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:02:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:54,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:02:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:02:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:54,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:02:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:02:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:54,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:02:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:54,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:02:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:54,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:02:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:02:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 88 proven. 106 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-27 04:02:54,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669822599] [2020-10-27 04:02:54,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:02:54,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 04:02:54,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670570855] [2020-10-27 04:02:54,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 04:02:54,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:02:54,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 04:02:54,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2020-10-27 04:02:54,399 INFO L87 Difference]: Start difference. First operand 95 states and 145 transitions. Second operand 22 states. [2020-10-27 04:02:55,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:02:55,746 INFO L93 Difference]: Finished difference Result 205 states and 374 transitions. [2020-10-27 04:02:55,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:02:55,746 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 110 [2020-10-27 04:02:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:02:55,751 INFO L225 Difference]: With dead ends: 205 [2020-10-27 04:02:55,751 INFO L226 Difference]: Without dead ends: 119 [2020-10-27 04:02:55,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=196, Invalid=1064, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 04:02:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-27 04:02:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 110. [2020-10-27 04:02:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-27 04:02:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 171 transitions. [2020-10-27 04:02:55,805 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 171 transitions. Word has length 110 [2020-10-27 04:02:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:02:55,805 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 171 transitions. [2020-10-27 04:02:55,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 04:02:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2020-10-27 04:02:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 04:02:55,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:02:55,812 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:02:55,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:02:55,812 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:02:55,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:02:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1561430035, now seen corresponding path program 1 times [2020-10-27 04:02:55,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:02:55,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018643154] [2020-10-27 04:02:55,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:02:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:02:55,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:55,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:55,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:55,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:55,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:55,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:56,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:56,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:56,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:56,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:56,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:02:57,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:03:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:00,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:00,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:00,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:00,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:00,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:01,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:01,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:02,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:02,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:02,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:02,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:03,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:05,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:05,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 04:03:05,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:03:05,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:03:05,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:03:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:03:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 04:03:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:05,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:05,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:05,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:05,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:05,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:06,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:06,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:06,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:09,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:03:09,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:03:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3970 [2020-10-27 04:03:09,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:03:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 04:03:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:09,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:09,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:03:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:09,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:09,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:09,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:09,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:09,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:09,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:09,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:09,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:09,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:03:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:09,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:03:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:10,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:10,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:03:10,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:03:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:10,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:10,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:10,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 04:03:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:10,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:11,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:03:15,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 04:03:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:03:15,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:03:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:03:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:15,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:03:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:15,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:15,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:15,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:15,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:03:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:15,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:15,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:03:15,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:15,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:15,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:15,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:15,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:15,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:15,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:15,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:15,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:15,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 78 proven. 79 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-27 04:03:15,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018643154] [2020-10-27 04:03:15,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:03:15,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 04:03:15,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687165798] [2020-10-27 04:03:15,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:03:15,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:15,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:03:15,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:03:15,541 INFO L87 Difference]: Start difference. First operand 110 states and 171 transitions. Second operand 14 states. [2020-10-27 04:03:16,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:16,712 INFO L93 Difference]: Finished difference Result 250 states and 464 transitions. [2020-10-27 04:03:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 04:03:16,713 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 114 [2020-10-27 04:03:16,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:16,716 INFO L225 Difference]: With dead ends: 250 [2020-10-27 04:03:16,716 INFO L226 Difference]: Without dead ends: 150 [2020-10-27 04:03:16,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:03:16,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-27 04:03:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 141. [2020-10-27 04:03:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-27 04:03:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 237 transitions. [2020-10-27 04:03:16,761 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 237 transitions. Word has length 114 [2020-10-27 04:03:16,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:16,762 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 237 transitions. [2020-10-27 04:03:16,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:03:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 237 transitions. [2020-10-27 04:03:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 04:03:16,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:16,771 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:16,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:03:16,772 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:16,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:16,772 INFO L82 PathProgramCache]: Analyzing trace with hash 331202957, now seen corresponding path program 1 times [2020-10-27 04:03:16,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:16,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383311453] [2020-10-27 04:03:16,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:16,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:16,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:16,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:16,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:16,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:17,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:18,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:21,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 04:03:21,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:03:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:03:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:03:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 04:03:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:21,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:21,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:21,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:21,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:22,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:22,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:22,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:23,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:26,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:03:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:26,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:26,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:26,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:27,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:27,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:27,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:28,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:29,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:03:31,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 04:03:31,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:31,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:31,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:31,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:31,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:03:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:32,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:32,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:32,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:03:32,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:32,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:32,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:32,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:03:32,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:03:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 04:03:32,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:03:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:03:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:33,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:03:33,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:03:33,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:33,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:33,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:03:33,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:33,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:33,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:03:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2435 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:03:35,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:35,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:35,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:03:36,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:36,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:36,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:03:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:36,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:36,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:36,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:03:36,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:36,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:36,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:36,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:36,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:03:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:03:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:36,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:03:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:36,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:36,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:03:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:36,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:37,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:37,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 04:03:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:41,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:41,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:42,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:03:42,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:42,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:42,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:42,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:42,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:42,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:03:42,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:42,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:42,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:42,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:03:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:03:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:03:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:42,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:42,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:42,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:42,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:42,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:42,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:42,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:42,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:42,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:42,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:42,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:42,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:42,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:42,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:03:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:42,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1457 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:03:43,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:43,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:43,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:43,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:43,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:43,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:43,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:43,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:43,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:43,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:43,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:43,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:03:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:43,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:43,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:43,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:03:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:43,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:43,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:43,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:43,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:43,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:43,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:43,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 143 proven. 358 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2020-10-27 04:03:44,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383311453] [2020-10-27 04:03:44,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:03:44,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 04:03:44,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680137122] [2020-10-27 04:03:44,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 04:03:44,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:44,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 04:03:44,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:03:44,052 INFO L87 Difference]: Start difference. First operand 141 states and 237 transitions. Second operand 25 states. [2020-10-27 04:03:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:45,910 INFO L93 Difference]: Finished difference Result 297 states and 663 transitions. [2020-10-27 04:03:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:03:45,910 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 194 [2020-10-27 04:03:45,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:45,916 INFO L225 Difference]: With dead ends: 297 [2020-10-27 04:03:45,916 INFO L226 Difference]: Without dead ends: 148 [2020-10-27 04:03:45,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=251, Invalid=1471, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 04:03:45,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-27 04:03:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 135. [2020-10-27 04:03:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-27 04:03:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 227 transitions. [2020-10-27 04:03:45,954 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 227 transitions. Word has length 194 [2020-10-27 04:03:45,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:45,955 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 227 transitions. [2020-10-27 04:03:45,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 04:03:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2020-10-27 04:03:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 04:03:45,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:45,962 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:45,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:03:45,962 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:45,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:45,963 INFO L82 PathProgramCache]: Analyzing trace with hash 182861805, now seen corresponding path program 1 times [2020-10-27 04:03:45,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:45,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158284391] [2020-10-27 04:03:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:03:51,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:03:51,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:51,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:51,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:51,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:51,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:51,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:51,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-27 04:03:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:56,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:56,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:01,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:04:01,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:04:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:04:01,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:01,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:04:01,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:04:01,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 04:04:01,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:01,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:01,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:01,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:02,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:02,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:04:02,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1094 [2020-10-27 04:04:02,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:04:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:04:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:02,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:02,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:02,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:02,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 04:04:02,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:02,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:02,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:02,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:02,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:02,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:02,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:04:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:02,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:04:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:03,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:03,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:03,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:03,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:03,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:03,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:03,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:03,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:03,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:03,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 04:04:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:04:08,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 04:04:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:04:08,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:08,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 04:04:08,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:04:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:08,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:08,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:08,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:08,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:08,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:04:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:04:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:04:08,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:08,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:08,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 172 proven. 253 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-10-27 04:04:08,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158284391] [2020-10-27 04:04:08,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:08,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 04:04:08,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197039417] [2020-10-27 04:04:08,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 04:04:08,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:08,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 04:04:08,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-10-27 04:04:08,876 INFO L87 Difference]: Start difference. First operand 135 states and 227 transitions. Second operand 23 states. [2020-10-27 04:04:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:11,305 INFO L93 Difference]: Finished difference Result 293 states and 578 transitions. [2020-10-27 04:04:11,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 04:04:11,306 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 166 [2020-10-27 04:04:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:11,309 INFO L225 Difference]: With dead ends: 293 [2020-10-27 04:04:11,309 INFO L226 Difference]: Without dead ends: 161 [2020-10-27 04:04:11,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=319, Invalid=2033, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 04:04:11,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-27 04:04:11,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 144. [2020-10-27 04:04:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-27 04:04:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2020-10-27 04:04:11,335 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 166 [2020-10-27 04:04:11,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:11,335 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2020-10-27 04:04:11,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 04:04:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2020-10-27 04:04:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-27 04:04:11,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:11,339 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 11, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:11,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 04:04:11,340 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:11,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:11,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1620687468, now seen corresponding path program 2 times [2020-10-27 04:04:11,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:11,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329900892] [2020-10-27 04:04:11,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:11,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:11,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 04:04:16,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:16,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:16,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:16,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:16,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:16,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:16,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:16,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:18,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:18,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:04:21,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 04:04:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 04:04:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:22,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:24,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:04:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 04:04:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:26,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:04:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:31,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1085 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:04:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:32,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:32,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:04:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:32,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:32,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:32,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:04:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4057 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:04:36,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:04:36,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:36,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:36,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:36,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:36,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:36,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:36,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:36,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:36,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:36,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:04:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:37,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 04:04:37,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:37,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:37,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 04:04:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:04:37,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:04:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 04:04:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:37,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:37,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:37,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:37,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:04:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:37,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:37,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:37,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 122 proven. 344 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-10-27 04:04:37,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329900892] [2020-10-27 04:04:37,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:37,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 04:04:37,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516279419] [2020-10-27 04:04:37,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 04:04:37,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:37,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 04:04:37,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 04:04:37,244 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand 20 states. [2020-10-27 04:04:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:39,081 INFO L93 Difference]: Finished difference Result 321 states and 595 transitions. [2020-10-27 04:04:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 04:04:39,081 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 193 [2020-10-27 04:04:39,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:39,088 INFO L225 Difference]: With dead ends: 321 [2020-10-27 04:04:39,088 INFO L226 Difference]: Without dead ends: 186 [2020-10-27 04:04:39,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=239, Invalid=1321, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 04:04:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-27 04:04:39,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 174. [2020-10-27 04:04:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-27 04:04:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 283 transitions. [2020-10-27 04:04:39,118 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 283 transitions. Word has length 193 [2020-10-27 04:04:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:39,119 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 283 transitions. [2020-10-27 04:04:39,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 04:04:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 283 transitions. [2020-10-27 04:04:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-27 04:04:39,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:39,126 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:39,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 04:04:39,126 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:39,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1934843854, now seen corresponding path program 3 times [2020-10-27 04:04:39,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:39,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644065122] [2020-10-27 04:04:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:40,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 04:04:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:44,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:04:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-27 04:04:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:49,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:04:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:04:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:04:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:04:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:04:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:54,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:54,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:59,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:59,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:04:59,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:04:59,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:04:59,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:04:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:04:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:59,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:59,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:59,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:59,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:59,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:00,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:00,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:01,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:01,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:05:01,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:05:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:01,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:05:01,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:01,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:05:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:05,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:06,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 04:05:06,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:06,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:06,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:05:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:05:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:05:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:11,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:11,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:11,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:11,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:11,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:11,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:11,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:11,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:11,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:11,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:11,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:11,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:11,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:11,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:11,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:11,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:11,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:11,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:05:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:11,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 710 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:12,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 04:05:12,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:12,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:05:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:05:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:12,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:12,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:12,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 320 proven. 662 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked. [2020-10-27 04:05:12,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644065122] [2020-10-27 04:05:12,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:12,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:05:12,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974621927] [2020-10-27 04:05:12,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:05:12,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:12,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:05:12,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:05:12,444 INFO L87 Difference]: Start difference. First operand 174 states and 283 transitions. Second operand 24 states. [2020-10-27 04:05:15,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:15,096 INFO L93 Difference]: Finished difference Result 332 states and 613 transitions. [2020-10-27 04:05:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 04:05:15,096 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 288 [2020-10-27 04:05:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:15,099 INFO L225 Difference]: With dead ends: 332 [2020-10-27 04:05:15,099 INFO L226 Difference]: Without dead ends: 131 [2020-10-27 04:05:15,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 76 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=324, Invalid=2126, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 04:05:15,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-27 04:05:15,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-10-27 04:05:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-27 04:05:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 142 transitions. [2020-10-27 04:05:15,117 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 142 transitions. Word has length 288 [2020-10-27 04:05:15,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:15,118 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 142 transitions. [2020-10-27 04:05:15,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:05:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 142 transitions. [2020-10-27 04:05:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2020-10-27 04:05:15,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:15,131 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:15,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:05:15,131 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:15,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:15,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1370918349, now seen corresponding path program 4 times [2020-10-27 04:05:15,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:15,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641070058] [2020-10-27 04:05:15,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:15,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 748 [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:05:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:20,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:20,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:20,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:20,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:25,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 732 [2020-10-27 04:05:25,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 04:05:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 04:05:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 04:05:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:05:25,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 416 [2020-10-27 04:05:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking...