/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=DEEPEST --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_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:35:32,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:35:32,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:35:32,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:35:32,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:35:32,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:35:32,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:35:32,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:35:32,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:35:32,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:35:32,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:35:32,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:35:32,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:35:32,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:35:32,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:35:32,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:35:32,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:35:32,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:35:32,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:35:32,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:35:32,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:35:32,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:35:32,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:35:32,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:35:32,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:35:32,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:35:32,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:35:32,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:35:32,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:35:32,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:35:32,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:35:32,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:35:32,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:35:32,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:35:32,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:35:32,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:35:32,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:35:32,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:35:32,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:35:32,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:35:32,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:35:33,002 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 22:35:33,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:35:33,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:35:33,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:35:33,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:35:33,062 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:35:33,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:35:33,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:35:33,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:35:33,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:35:33,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:35:33,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:35:33,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:35:33,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:35:33,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:35:33,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:35:33,069 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:35:33,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:35:33,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:35:33,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:35:33,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:35:33,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:35:33,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:35:33,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:35:33,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:35:33,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:35:33,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:35:33,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:35:33,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:35:33,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:35:33,073 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:35:33,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:35:33,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:35:33,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:35:33,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:35:33,538 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:35:33,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-27 22:35:33,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fafecd6/242cb59b008d4dc886765624c1adc394/FLAG706b6f28c [2020-10-27 22:35:34,276 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:35:34,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-10-27 22:35:34,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fafecd6/242cb59b008d4dc886765624c1adc394/FLAG706b6f28c [2020-10-27 22:35:34,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fafecd6/242cb59b008d4dc886765624c1adc394 [2020-10-27 22:35:34,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:35:34,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:35:34,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:35:34,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:35:34,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:35:34,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc01cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34, skipping insertion in model container [2020-10-27 22:35:34,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:35:34,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:35:34,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:35:34,868 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:35:34,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:35:34,903 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:35:34,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34 WrapperNode [2020-10-27 22:35:34,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:35:34,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:35:34,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:35:34,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:35:34,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (1/1) ... [2020-10-27 22:35:34,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:35:34,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:35:34,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:35:34,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:35:34,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (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 22:35:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:35:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:35:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:35:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 22:35:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 22:35:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:35:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:35:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:35:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:35:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:35:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:35:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 22:35:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 22:35:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:35:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:35:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:35:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:35:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:35:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:35:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:35:35,360 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:35:35,361 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:35:35,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:35:35 BoogieIcfgContainer [2020-10-27 22:35:35,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:35:35,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:35:35,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:35:35,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:35:35,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:35:34" (1/3) ... [2020-10-27 22:35:35,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a76dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:35:35, skipping insertion in model container [2020-10-27 22:35:35,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:35:34" (2/3) ... [2020-10-27 22:35:35,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a76dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:35:35, skipping insertion in model container [2020-10-27 22:35:35,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:35:35" (3/3) ... [2020-10-27 22:35:35,373 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-10-27 22:35:35,404 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:35:35,423 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:35:35,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:35:35,467 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:35:35,468 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:35:35,468 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:35:35,468 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:35:35,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:35:35,468 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:35:35,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:35:35,468 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:35:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 22:35:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:35:35,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:35,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:35,493 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:35,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:35,500 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 22:35:35,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:35,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932872977] [2020-10-27 22:35:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:36,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:35:36,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 658 [2020-10-27 22:35:36,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:35:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:35:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:35:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:36,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:36,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:36,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:36,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:35:36,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:36,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:36,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:36,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:36,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:36,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:36,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:36,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:35:36,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:35:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:35:36,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:36,571 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 22:35:36,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932872977] [2020-10-27 22:35:36,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:36,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:35:36,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111176344] [2020-10-27 22:35:36,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:35:36,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:36,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:35:36,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:35:36,606 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 22:35:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:37,094 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2020-10-27 22:35:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:35:37,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:35:37,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:37,106 INFO L225 Difference]: With dead ends: 53 [2020-10-27 22:35:37,107 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:35:37,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:35:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:35:37,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:35:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:35:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:35:37,164 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 22:35:37,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:37,164 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:35:37,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:35:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:35:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:35:37,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:37,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:37,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:35:37,167 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:37,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:37,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 22:35:37,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:37,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383930973] [2020-10-27 22:35:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:35:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:35:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:37,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:37,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:37,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:35:37,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:35:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,597 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 22:35:37,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383930973] [2020-10-27 22:35:37,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:37,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:35:37,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169181536] [2020-10-27 22:35:37,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:35:37,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:37,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:35:37,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:35:37,601 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 22:35:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:37,909 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 22:35:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:35:37,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:35:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:37,912 INFO L225 Difference]: With dead ends: 39 [2020-10-27 22:35:37,912 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 22:35:37,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:35:37,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 22:35:37,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 22:35:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:35:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:35:37,925 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 22:35:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:37,925 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:35:37,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:35:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:35:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:35:37,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:37,928 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 22:35:37,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:35:37,928 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:37,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:37,929 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 22:35:37,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:37,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376817379] [2020-10-27 22:35:37,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:35:40,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:35:40,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2370 [2020-10-27 22:35:40,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:40,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 22:35:40,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:35:40,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:40,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:40,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:40,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:40,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:40,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 22:35:40,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:40,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:35:40,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:40,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:40,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:35:40,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:40,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:40,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:35:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:40,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:40,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:40,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376817379] [2020-10-27 22:35:40,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:40,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:35:40,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271174528] [2020-10-27 22:35:40,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:35:40,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:40,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:35:40,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:35:40,640 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-10-27 22:35:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:40,955 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2020-10-27 22:35:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:40,956 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-27 22:35:40,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:40,957 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:35:40,957 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:35:40,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:35:40,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:35:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2020-10-27 22:35:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 22:35:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2020-10-27 22:35:40,968 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 28 [2020-10-27 22:35:40,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:40,969 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2020-10-27 22:35:40,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:35:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-10-27 22:35:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:35:40,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:40,971 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 22:35:40,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:35:40,971 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:40,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:40,972 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-27 22:35:40,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:40,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129675695] [2020-10-27 22:35:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:41,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:35:41,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:41,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 920 [2020-10-27 22:35:41,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 22:35:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:35:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:41,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:41,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:41,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:41,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:41,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:41,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:41,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:41,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:41,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:41,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:35:41,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:35:41,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:42,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:42,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:42,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:42,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:42,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:35:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:42,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:42,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:42,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:42,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:42,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 22:35:42,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129675695] [2020-10-27 22:35:42,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:35:42,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 22:35:42,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353229055] [2020-10-27 22:35:42,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:42,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:42,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:42,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:42,071 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 10 states. [2020-10-27 22:35:42,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:42,498 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2020-10-27 22:35:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:35:42,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2020-10-27 22:35:42,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:42,500 INFO L225 Difference]: With dead ends: 47 [2020-10-27 22:35:42,500 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 22:35:42,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:35:42,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 22:35:42,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 22:35:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:35:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2020-10-27 22:35:42,512 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 29 [2020-10-27 22:35:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:42,513 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-10-27 22:35:42,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2020-10-27 22:35:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:35:42,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:42,516 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 22:35:42,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:35:42,516 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:42,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 22:35:42,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:42,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471997979] [2020-10-27 22:35:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:42,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:44,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:44,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1628 [2020-10-27 22:35:44,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 22:35:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:35:44,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:44,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:44,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:44,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:44,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:35:44,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:44,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:44,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:44,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:44,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:44,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:44,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:35:44,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-27 22:35:44,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:44,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:35:44,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:44,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:44,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:44,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:35:44,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:44,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:44,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:44,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:44,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:44,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:35:44,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:35:44,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471997979] [2020-10-27 22:35:44,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:44,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:35:44,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989541514] [2020-10-27 22:35:44,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:35:44,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:44,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:35:44,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:35:44,538 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand 10 states. [2020-10-27 22:35:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:44,984 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-10-27 22:35:44,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:35:44,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-10-27 22:35:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:44,990 INFO L225 Difference]: With dead ends: 74 [2020-10-27 22:35:44,990 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:35:44,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:35:44,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:35:45,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:35:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:35:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-27 22:35:45,008 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 30 [2020-10-27 22:35:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:45,008 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-27 22:35:45,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:35:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-27 22:35:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-27 22:35:45,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:45,013 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:45,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:35:45,014 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:45,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:45,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-27 22:35:45,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:45,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679118983] [2020-10-27 22:35:45,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:45,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 22:35:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:35:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:50,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:35:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 22:35:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 22:35:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:50,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:50,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:50,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:50,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:50,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:35:50,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:50,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-27 22:35:50,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:50,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:50,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:35:50,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:50,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:50,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:50,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:35:50,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:50,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:35:50,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:35:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:50,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:50,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:50,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:50,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:50,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:50,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:51,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:35:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:51,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:51,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:51,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:51,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:51,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:51,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:51,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:51,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:51,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:35:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:51,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:51,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:51,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:51,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:51,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:51,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:51,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:51,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:51,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:35:51,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679118983] [2020-10-27 22:35:51,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:51,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:35:51,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144121040] [2020-10-27 22:35:51,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:35:51,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:51,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:35:51,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:35:51,051 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 9 states. [2020-10-27 22:35:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:51,414 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-10-27 22:35:51,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:35:51,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-27 22:35:51,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:51,416 INFO L225 Difference]: With dead ends: 77 [2020-10-27 22:35:51,416 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 22:35:51,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:35:51,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 22:35:51,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 22:35:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 22:35:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2020-10-27 22:35:51,433 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 41 [2020-10-27 22:35:51,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:51,435 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2020-10-27 22:35:51,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:35:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-10-27 22:35:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 22:35:51,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:51,441 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:51,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:35:51,441 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:51,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:51,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1960607334, now seen corresponding path program 1 times [2020-10-27 22:35:51,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:51,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468433420] [2020-10-27 22:35:51,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:51,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:53,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 22:35:56,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:35:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:35:56,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:35:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:35:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 22:35:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:56,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:56,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:56,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:56,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:56,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:57,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:35:57,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:57,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 783 [2020-10-27 22:35:57,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:35:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:35:57,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 22:35:57,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:57,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:57,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:57,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:57,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:57,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:57,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:57,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:57,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:57,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:57,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:57,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:57,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:57,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:57,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:57,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:57,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:57,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:57,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:57,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:35:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:35:57,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468433420] [2020-10-27 22:35:57,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:57,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:35:57,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653773566] [2020-10-27 22:35:57,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:35:57,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:57,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:35:57,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:35:57,570 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand 11 states. [2020-10-27 22:35:58,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:58,287 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2020-10-27 22:35:58,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:35:58,288 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42 [2020-10-27 22:35:58,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:58,290 INFO L225 Difference]: With dead ends: 79 [2020-10-27 22:35:58,290 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 22:35:58,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:35:58,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 22:35:58,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 22:35:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 22:35:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2020-10-27 22:35:58,300 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 42 [2020-10-27 22:35:58,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:58,301 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2020-10-27 22:35:58,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:35:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2020-10-27 22:35:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:35:58,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:58,302 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, 1] [2020-10-27 22:35:58,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:35:58,303 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:58,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 488187527, now seen corresponding path program 1 times [2020-10-27 22:35:58,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:58,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027276250] [2020-10-27 22:35:58,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:58,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:58,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:36:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2202 [2020-10-27 22:36:00,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:36:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 22:36:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:00,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:00,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:00,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:36:00,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:36:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:36:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:00,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:36:00,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:00,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:00,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:00,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 22:36:00,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027276250] [2020-10-27 22:36:00,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:00,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:36:00,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925367397] [2020-10-27 22:36:00,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:36:00,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:00,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:36:00,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:00,824 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 13 states. [2020-10-27 22:36:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:01,487 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2020-10-27 22:36:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:36:01,491 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2020-10-27 22:36:01,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:01,493 INFO L225 Difference]: With dead ends: 62 [2020-10-27 22:36:01,495 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 22:36:01,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:36:01,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 22:36:01,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2020-10-27 22:36:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 22:36:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2020-10-27 22:36:01,519 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 43 [2020-10-27 22:36:01,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:01,520 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2020-10-27 22:36:01,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:36:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-10-27 22:36:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 22:36:01,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:01,524 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-27 22:36:01,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:36:01,524 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:01,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:01,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1996320528, now seen corresponding path program 1 times [2020-10-27 22:36:01,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:01,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470482796] [2020-10-27 22:36:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:01,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4115 [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:36:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:36:05,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:05,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:05,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:05,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:05,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:05,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 22:36:06,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:06,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-27 22:36:06,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:36:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:36:06,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:36:06,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:06,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:06,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:06,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:06,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:06,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:06,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:06,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:06,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:06,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:36:06,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:06,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:06,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:06,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:36:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:06,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:06,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:36:06,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:36:06,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470482796] [2020-10-27 22:36:06,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:06,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:36:06,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769220623] [2020-10-27 22:36:06,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:06,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:06,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:06,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:06,488 INFO L87 Difference]: Start difference. First operand 52 states and 69 transitions. Second operand 10 states. [2020-10-27 22:36:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:06,996 INFO L93 Difference]: Finished difference Result 100 states and 141 transitions. [2020-10-27 22:36:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:07,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2020-10-27 22:36:07,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:07,001 INFO L225 Difference]: With dead ends: 100 [2020-10-27 22:36:07,001 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 22:36:07,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:36:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 22:36:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-27 22:36:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-27 22:36:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2020-10-27 22:36:07,014 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 44 [2020-10-27 22:36:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:07,014 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2020-10-27 22:36:07,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2020-10-27 22:36:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-27 22:36:07,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:07,017 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 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, 1, 1] [2020-10-27 22:36:07,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:36:07,017 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:07,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:07,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1609471852, now seen corresponding path program 1 times [2020-10-27 22:36:07,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:07,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974925087] [2020-10-27 22:36:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:08,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:12,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:36:12,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:36:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 22:36:12,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:36:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 22:36:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:12,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:12,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:12,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:12,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:12,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:12,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:13,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:15,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:17,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:36:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 22:36:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-27 22:36:17,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 22:36:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 22:36:17,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:17,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:17,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:17,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:17,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:17,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:17,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:17,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:17,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:17,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:17,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:17,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:17,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:17,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:17,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3510 [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 22:36:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:20,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:20,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:20,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:20,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:20,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:20,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:20,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:20,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:20,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:20,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:20,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 22:36:20,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:20,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:20,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:20,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:20,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:20,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:20,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:36:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:20,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:20,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:20,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:20,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:20,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:20,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:20,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:20,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:20,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:20,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 22:36:21,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974925087] [2020-10-27 22:36:21,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:21,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:36:21,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840993347] [2020-10-27 22:36:21,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:36:21,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:21,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:36:21,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:36:21,012 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 11 states. [2020-10-27 22:36:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:22,084 INFO L93 Difference]: Finished difference Result 123 states and 179 transitions. [2020-10-27 22:36:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:36:22,084 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2020-10-27 22:36:22,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:22,089 INFO L225 Difference]: With dead ends: 123 [2020-10-27 22:36:22,089 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 22:36:22,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:36:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 22:36:22,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 62. [2020-10-27 22:36:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 22:36:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2020-10-27 22:36:22,109 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 83 [2020-10-27 22:36:22,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:22,109 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2020-10-27 22:36:22,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:36:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-10-27 22:36:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-27 22:36:22,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:22,111 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:22,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:36:22,111 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:22,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:22,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1951834989, now seen corresponding path program 2 times [2020-10-27 22:36:22,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:22,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686705546] [2020-10-27 22:36:22,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:22,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:22,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:23,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 22:36:27,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:36:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:36:27,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:27,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:27,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:36:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:27,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:27,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:27,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:27,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:32,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:32,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:32,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-27 22:36:32,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:32,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:36:32,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:32,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:32,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:32,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:32,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:32,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:32,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:32,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:32,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-27 22:36:32,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686705546] [2020-10-27 22:36:32,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:32,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:36:32,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456412966] [2020-10-27 22:36:32,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:36:32,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:32,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:36:32,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:32,585 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand 9 states. [2020-10-27 22:36:33,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:33,029 INFO L93 Difference]: Finished difference Result 117 states and 158 transitions. [2020-10-27 22:36:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:36:33,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-27 22:36:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:33,031 INFO L225 Difference]: With dead ends: 117 [2020-10-27 22:36:33,032 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 22:36:33,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:36:33,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 22:36:33,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-27 22:36:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 22:36:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2020-10-27 22:36:33,045 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 69 [2020-10-27 22:36:33,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:33,045 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2020-10-27 22:36:33,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:36:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2020-10-27 22:36:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:36:33,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:33,047 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:33,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:36:33,048 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:33,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:33,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1077697206, now seen corresponding path program 3 times [2020-10-27 22:36:33,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:33,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595441573] [2020-10-27 22:36:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:33,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:36:38,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:36:38,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:36:38,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:36:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:36:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:38,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:38,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:38,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:38,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:38,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:38,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:38,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:36:43,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:36:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:36:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:36:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 22:36:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:43,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:43,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:43,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:36:43,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:36:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:43,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:43,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:43,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:43,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:43,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:43,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:43,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:43,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:43,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 22:36:43,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595441573] [2020-10-27 22:36:43,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:43,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:36:43,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031959886] [2020-10-27 22:36:43,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:36:43,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:43,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:36:43,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:36:43,747 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand 11 states. [2020-10-27 22:36:44,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:44,524 INFO L93 Difference]: Finished difference Result 132 states and 183 transitions. [2020-10-27 22:36:44,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:36:44,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 70 [2020-10-27 22:36:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:44,528 INFO L225 Difference]: With dead ends: 132 [2020-10-27 22:36:44,529 INFO L226 Difference]: Without dead ends: 69 [2020-10-27 22:36:44,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:36:44,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-27 22:36:44,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 66. [2020-10-27 22:36:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 22:36:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2020-10-27 22:36:44,543 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 70 [2020-10-27 22:36:44,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:44,543 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2020-10-27 22:36:44,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:36:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2020-10-27 22:36:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:36:44,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:44,545 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:44,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:36:44,545 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:44,546 INFO L82 PathProgramCache]: Analyzing trace with hash -2073039210, now seen corresponding path program 1 times [2020-10-27 22:36:44,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:44,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877015635] [2020-10-27 22:36:44,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:44,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:36:49,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:36:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:36:49,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:36:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 22:36:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:36:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:49,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:49,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:49,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:49,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:49,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1187 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:36:50,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 773 [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:51,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:36:51,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:51,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:51,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:51,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:51,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:51,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:51,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:51,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:51,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:51,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:51,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:51,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:51,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:51,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:51,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:51,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:51,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:51,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:51,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:51,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:51,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:51,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:51,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 22:36:51,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877015635] [2020-10-27 22:36:51,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:51,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:36:51,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430350854] [2020-10-27 22:36:51,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:36:51,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:51,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:36:51,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:36:51,830 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand 11 states. [2020-10-27 22:36:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:52,488 INFO L93 Difference]: Finished difference Result 133 states and 181 transitions. [2020-10-27 22:36:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:52,490 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2020-10-27 22:36:52,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:52,491 INFO L225 Difference]: With dead ends: 133 [2020-10-27 22:36:52,491 INFO L226 Difference]: Without dead ends: 74 [2020-10-27 22:36:52,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:36:52,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-27 22:36:52,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2020-10-27 22:36:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-27 22:36:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-10-27 22:36:52,506 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 57 [2020-10-27 22:36:52,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:52,507 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-10-27 22:36:52,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:36:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-10-27 22:36:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:36:52,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:52,509 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 22:36:52,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:36:52,509 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:52,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:52,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 2 times [2020-10-27 22:36:52,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:52,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994005770] [2020-10-27 22:36:52,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:53,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:36:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:57,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:57,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:57,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:57,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:57,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:57,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:57,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:57,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:57,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:59,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:37:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:02,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:02,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:03,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:03,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1283 [2020-10-27 22:37:03,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:37:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:03,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:03,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:03,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:04,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:04,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 22:37:04,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:04,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:04,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:04,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:04,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:04,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:04,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:04,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:04,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:04,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:04,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:04,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:04,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-27 22:37:04,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:04,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:04,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:04,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:04,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:04,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:04,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:04,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:04,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:04,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:04,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:04,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:04,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:04,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:04,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:04,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:04,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 34 proven. 56 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 22:37:04,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994005770] [2020-10-27 22:37:04,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:04,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 22:37:04,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196643913] [2020-10-27 22:37:04,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 22:37:04,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:04,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 22:37:04,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:37:04,548 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 15 states. [2020-10-27 22:37:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:05,743 INFO L93 Difference]: Finished difference Result 150 states and 224 transitions. [2020-10-27 22:37:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:37:05,744 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 84 [2020-10-27 22:37:05,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:05,749 INFO L225 Difference]: With dead ends: 150 [2020-10-27 22:37:05,749 INFO L226 Difference]: Without dead ends: 86 [2020-10-27 22:37:05,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2020-10-27 22:37:05,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-27 22:37:05,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2020-10-27 22:37:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-27 22:37:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 111 transitions. [2020-10-27 22:37:05,784 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 111 transitions. Word has length 84 [2020-10-27 22:37:05,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:05,787 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 111 transitions. [2020-10-27 22:37:05,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 22:37:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2020-10-27 22:37:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:37:05,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:05,789 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:05,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:37:05,789 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:05,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1406199094, now seen corresponding path program 4 times [2020-10-27 22:37:05,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:05,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639290591] [2020-10-27 22:37:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:05,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:06,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:37:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:37:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:37:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:15,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:15,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:37:15,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:15,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:15,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:15,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:15,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:15,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:15,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:15,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:15,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:15,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:15,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:15,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:15,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:15,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:15,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:15,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:15,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:15,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:15,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:15,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:15,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:15,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 22:37:15,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:16,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:16,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:16,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:16,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:16,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-27 22:37:16,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639290591] [2020-10-27 22:37:16,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:16,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:37:16,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225274625] [2020-10-27 22:37:16,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:37:16,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:16,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:37:16,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:37:16,038 INFO L87 Difference]: Start difference. First operand 83 states and 111 transitions. Second operand 9 states. [2020-10-27 22:37:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:16,598 INFO L93 Difference]: Finished difference Result 95 states and 122 transitions. [2020-10-27 22:37:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:37:16,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-27 22:37:16,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:16,604 INFO L225 Difference]: With dead ends: 95 [2020-10-27 22:37:16,604 INFO L226 Difference]: Without dead ends: 88 [2020-10-27 22:37:16,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:37:16,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-27 22:37:16,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2020-10-27 22:37:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-27 22:37:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 111 transitions. [2020-10-27 22:37:16,632 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 111 transitions. Word has length 70 [2020-10-27 22:37:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:16,633 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 111 transitions. [2020-10-27 22:37:16,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:37:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 111 transitions. [2020-10-27 22:37:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 22:37:16,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:16,638 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:16,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:37:16,638 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:16,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:16,639 INFO L82 PathProgramCache]: Analyzing trace with hash 26169405, now seen corresponding path program 2 times [2020-10-27 22:37:16,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:16,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523319017] [2020-10-27 22:37:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:16,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:20,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:37:21,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:37:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:26,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:26,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:37:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:27,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-27 22:37:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:27,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:27,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 22:37:27,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:27,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:27,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:27,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:27,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:27,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:27,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:28,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 22:37:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:28,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:28,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:28,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:37:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 22:37:28,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523319017] [2020-10-27 22:37:28,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:28,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:37:28,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253762781] [2020-10-27 22:37:28,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:37:28,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:28,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:37:28,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:37:28,031 INFO L87 Difference]: Start difference. First operand 85 states and 111 transitions. Second operand 11 states. [2020-10-27 22:37:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:28,807 INFO L93 Difference]: Finished difference Result 160 states and 222 transitions. [2020-10-27 22:37:28,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:37:28,807 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-10-27 22:37:28,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:28,809 INFO L225 Difference]: With dead ends: 160 [2020-10-27 22:37:28,809 INFO L226 Difference]: Without dead ends: 82 [2020-10-27 22:37:28,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:37:28,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-27 22:37:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-10-27 22:37:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-27 22:37:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 103 transitions. [2020-10-27 22:37:28,827 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 103 transitions. Word has length 71 [2020-10-27 22:37:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:28,828 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 103 transitions. [2020-10-27 22:37:28,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:37:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2020-10-27 22:37:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 22:37:28,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:28,833 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:28,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:37:28,834 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:28,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:28,836 INFO L82 PathProgramCache]: Analyzing trace with hash 2064906641, now seen corresponding path program 5 times [2020-10-27 22:37:28,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:28,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144248589] [2020-10-27 22:37:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 22:37:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:33,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:33,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:33,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:33,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:33,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:33,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:33,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:33,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:33,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:34,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:38,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:38,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:39,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:43,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:37:43,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 22:37:43,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:37:43,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 22:37:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:43,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:44,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-27 22:37:44,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:44,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:44,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:44,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:44,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:44,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:44,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:44,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:44,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:44,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:44,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:44,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:49,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:37:49,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:49,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:49,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:49,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:49,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:49,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:49,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 22:37:49,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:49,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:49,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:49,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:37:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:49,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:49,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:49,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:49,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:49,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:37:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 110 proven. 98 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-27 22:37:49,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144248589] [2020-10-27 22:37:49,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:49,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 22:37:49,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031621499] [2020-10-27 22:37:49,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 22:37:49,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:49,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 22:37:49,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:37:49,645 INFO L87 Difference]: Start difference. First operand 82 states and 103 transitions. Second operand 15 states. [2020-10-27 22:37:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:50,875 INFO L93 Difference]: Finished difference Result 190 states and 278 transitions. [2020-10-27 22:37:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 22:37:50,876 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 125 [2020-10-27 22:37:50,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:50,879 INFO L225 Difference]: With dead ends: 190 [2020-10-27 22:37:50,879 INFO L226 Difference]: Without dead ends: 114 [2020-10-27 22:37:50,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2020-10-27 22:37:50,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-27 22:37:50,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 96. [2020-10-27 22:37:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-27 22:37:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2020-10-27 22:37:50,915 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 124 transitions. Word has length 125 [2020-10-27 22:37:50,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:50,915 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 124 transitions. [2020-10-27 22:37:50,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 22:37:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2020-10-27 22:37:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:37:50,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:50,921 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:50,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:37:50,922 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:50,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:50,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 6 times [2020-10-27 22:37:50,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:50,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322280448] [2020-10-27 22:37:50,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:50,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:51,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:55,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:55,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:37:55,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:55,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:37:55,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:37:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:55,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:55,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:56,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:01,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:01,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:38:01,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:01,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:38:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:01,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:01,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:06,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:38:06,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:06,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-27 22:38:06,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:06,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:06,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:38:06,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:06,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:06,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:06,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:06,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:06,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:06,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:06,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:06,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:06,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 24 proven. 107 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-10-27 22:38:06,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322280448] [2020-10-27 22:38:06,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:06,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:38:06,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674277354] [2020-10-27 22:38:06,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:38:06,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:06,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:38:06,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:38:06,585 INFO L87 Difference]: Start difference. First operand 96 states and 124 transitions. Second operand 12 states. [2020-10-27 22:38:07,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:07,334 INFO L93 Difference]: Finished difference Result 120 states and 175 transitions. [2020-10-27 22:38:07,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:38:07,334 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-10-27 22:38:07,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:07,337 INFO L225 Difference]: With dead ends: 120 [2020-10-27 22:38:07,337 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 22:38:07,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2020-10-27 22:38:07,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 22:38:07,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2020-10-27 22:38:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-27 22:38:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 164 transitions. [2020-10-27 22:38:07,353 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 164 transitions. Word has length 111 [2020-10-27 22:38:07,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:07,354 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 164 transitions. [2020-10-27 22:38:07,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:38:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 164 transitions. [2020-10-27 22:38:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 22:38:07,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:07,357 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:07,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 22:38:07,357 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:07,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:07,357 INFO L82 PathProgramCache]: Analyzing trace with hash -737203870, now seen corresponding path program 7 times [2020-10-27 22:38:07,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:07,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733849205] [2020-10-27 22:38:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:07,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:38:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:12,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:12,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:12,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:12,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:12,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:12,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:13,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:17,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:38:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:17,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:17,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:38:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:22,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:22,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:22,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:23,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:24,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:27,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:28,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-27 22:38:28,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:28,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:28,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:28,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:28,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:28,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:28,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:28,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:28,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:28,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:28,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:28,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:28,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:28,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:28,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:28,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:28,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:28,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:38:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:29,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:29,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:29,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:29,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:29,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:29,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:29,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:29,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:29,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:29,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:29,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:29,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:29,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:29,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:29,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:29,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:38:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 149 proven. 150 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-10-27 22:38:30,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733849205] [2020-10-27 22:38:30,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:30,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 22:38:30,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607003241] [2020-10-27 22:38:30,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 22:38:30,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:30,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 22:38:30,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:38:30,004 INFO L87 Difference]: Start difference. First operand 112 states and 164 transitions. Second operand 15 states. [2020-10-27 22:38:31,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:31,264 INFO L93 Difference]: Finished difference Result 222 states and 349 transitions. [2020-10-27 22:38:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 22:38:31,266 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 152 [2020-10-27 22:38:31,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:31,271 INFO L225 Difference]: With dead ends: 222 [2020-10-27 22:38:31,271 INFO L226 Difference]: Without dead ends: 117 [2020-10-27 22:38:31,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2020-10-27 22:38:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-27 22:38:31,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2020-10-27 22:38:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-27 22:38:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 144 transitions. [2020-10-27 22:38:31,291 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 144 transitions. Word has length 152 [2020-10-27 22:38:31,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:31,292 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 144 transitions. [2020-10-27 22:38:31,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 22:38:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2020-10-27 22:38:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-27 22:38:31,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:31,297 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 16, 15, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:31,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 22:38:31,297 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:31,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1043033253, now seen corresponding path program 8 times [2020-10-27 22:38:31,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:31,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49436718] [2020-10-27 22:38:31,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:31,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-27 22:38:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 22:38:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:38:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:38:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 22:38:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:36,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:36,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:37,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:41,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:41,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:42,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:46,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:46,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:46,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:46,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:46,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:46,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:46,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:46,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:46,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:46,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:46,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:46,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:46,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:46,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:46,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:46,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:47,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:51,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:38:51,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:38:51,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:38:51,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:51,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 22:38:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:51,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:51,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:51,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:51,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:56,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:38:56,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:38:56,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:56,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:56,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:56,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:56,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:56,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:56,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:56,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:56,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:56,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:01,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:39:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:39:01,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:01,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:01,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:39:02,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:02,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:02,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:02,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:02,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:02,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:02,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:02,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:02,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:02,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:02,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:02,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:39:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:02,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:02,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 22:39:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:02,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:02,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:02,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:02,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:02,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:02,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:02,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:02,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:02,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:02,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:02,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:02,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:02,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:02,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:02,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:02,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:02,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:02,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1993 backedges. 390 proven. 274 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2020-10-27 22:39:03,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49436718] [2020-10-27 22:39:03,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:03,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 22:39:03,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968641369] [2020-10-27 22:39:03,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 22:39:03,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:03,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 22:39:03,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:39:03,053 INFO L87 Difference]: Start difference. First operand 107 states and 144 transitions. Second operand 17 states. [2020-10-27 22:39:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:04,383 INFO L93 Difference]: Finished difference Result 215 states and 313 transitions. [2020-10-27 22:39:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:39:04,383 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 274 [2020-10-27 22:39:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:04,387 INFO L225 Difference]: With dead ends: 215 [2020-10-27 22:39:04,387 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 22:39:04,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2020-10-27 22:39:04,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 22:39:04,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2020-10-27 22:39:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-27 22:39:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 154 transitions. [2020-10-27 22:39:04,401 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 154 transitions. Word has length 274 [2020-10-27 22:39:04,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:04,402 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 154 transitions. [2020-10-27 22:39:04,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 22:39:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 154 transitions. [2020-10-27 22:39:04,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:39:04,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:04,406 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:04,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 22:39:04,406 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:04,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:04,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2086345789, now seen corresponding path program 9 times [2020-10-27 22:39:04,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:04,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086470070] [2020-10-27 22:39:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:04,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:04,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:08,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:39:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:09,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:09,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-10-27 22:39:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:14,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:14,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:14,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:39:19,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:19,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:39:19,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:19,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:19,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking...