/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:06:32,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:06:32,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:06:32,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:06:32,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:06:32,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:06:32,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:06:32,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:06:32,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:06:32,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:06:32,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:06:32,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:06:32,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:06:32,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:06:32,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:06:32,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:06:32,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:06:32,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:06:32,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:06:32,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:06:32,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:06:32,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:06:32,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:06:32,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:06:32,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:06:32,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:06:32,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:06:32,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:06:32,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:06:32,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:06:32,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:06:32,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:06:32,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:06:32,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:06:32,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:06:32,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:06:32,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:06:32,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:06:32,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:06:32,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:06:32,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:06:32,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 12:06:32,474 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:06:32,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:06:32,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:06:32,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:06:32,477 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:06:32,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:06:32,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:06:32,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:06:32,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:06:32,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:06:32,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:06:32,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:06:32,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:06:32,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:06:32,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:06:32,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:06:32,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:06:32,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:06:32,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:06:32,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:06:32,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:06:32,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:06:32,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:06:32,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:06:32,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:06:32,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:06:32,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:06:32,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:06:32,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:06:32,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:06:32,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:06:32,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:06:32,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:06:32,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:06:32,934 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:06:32,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c [2020-10-29 12:06:33,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31060dcaa/4d714965c60c47a28dad613a18b50c0f/FLAGdd7973f6f [2020-10-29 12:06:33,729 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:06:33,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-1.c [2020-10-29 12:06:33,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31060dcaa/4d714965c60c47a28dad613a18b50c0f/FLAGdd7973f6f [2020-10-29 12:06:34,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31060dcaa/4d714965c60c47a28dad613a18b50c0f [2020-10-29 12:06:34,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:06:34,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:06:34,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:06:34,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:06:34,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:06:34,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23035ad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34, skipping insertion in model container [2020-10-29 12:06:34,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:06:34,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:06:34,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:06:34,329 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:06:34,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:06:34,364 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:06:34,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34 WrapperNode [2020-10-29 12:06:34,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:06:34,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:06:34,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:06:34,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:06:34,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (1/1) ... [2020-10-29 12:06:34,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:06:34,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:06:34,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:06:34,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:06:34,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (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 [2020-10-29 12:06:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:06:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:06:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:06:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:06:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:06:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:06:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:06:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:06:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:06:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:06:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:06:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:06:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:06:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:06:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:06:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:06:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:06:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:06:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:06:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:06:34,912 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:06:34,912 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:06:34,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:06:34 BoogieIcfgContainer [2020-10-29 12:06:34,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:06:34,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:06:34,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:06:34,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:06:34,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:06:34" (1/3) ... [2020-10-29 12:06:34,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c928603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:06:34, skipping insertion in model container [2020-10-29 12:06:34,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:34" (2/3) ... [2020-10-29 12:06:34,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c928603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:06:34, skipping insertion in model container [2020-10-29 12:06:34,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:06:34" (3/3) ... [2020-10-29 12:06:34,924 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-1.c [2020-10-29 12:06:34,938 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:06:34,943 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:06:34,989 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:06:35,018 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:06:35,018 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:06:35,018 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:06:35,018 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:06:35,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:06:35,019 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:06:35,019 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:06:35,019 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:06:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:06:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:06:35,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:35,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:35,065 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:35,071 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:06:35,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:35,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679953555] [2020-10-29 12:06:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:06:35,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:35,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-29 12:06:35,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:35,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 12:06:35,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:35,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:06:35,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:35,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:35,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:06:35,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:35,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:36,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:06:36,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679953555] [2020-10-29 12:06:36,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:06:36,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:06:36,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340754378] [2020-10-29 12:06:36,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:06:36,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:36,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:06:36,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:06:36,051 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:06:36,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:36,414 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:06:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:06:36,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:06:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:36,426 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:06:36,426 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:06:36,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:06:36,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:06:36,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:06:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:06:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:06:36,481 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:06:36,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:36,482 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:06:36,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:06:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:06:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:06:36,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:36,485 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] [2020-10-29 12:06:36,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:06:36,485 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:36,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:06:36,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:36,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547730789] [2020-10-29 12:06:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:36,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:06:39,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:06:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2507 [2020-10-29 12:06:39,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:06:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:39,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:39,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:06:39,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:39,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-29 12:06:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:06:39,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:39,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:39,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:39,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:06:39,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547730789] [2020-10-29 12:06:39,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:39,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:06:39,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891082650] [2020-10-29 12:06:39,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:39,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:39,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:39,423 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:06:39,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:39,830 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-29 12:06:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:06:39,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:06:39,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:39,833 INFO L225 Difference]: With dead ends: 44 [2020-10-29 12:06:39,834 INFO L226 Difference]: Without dead ends: 39 [2020-10-29 12:06:39,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:06:39,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-29 12:06:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-29 12:06:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:06:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:06:39,850 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-29 12:06:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:39,850 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:06:39,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:06:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:06:39,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:39,853 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] [2020-10-29 12:06:39,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:06:39,854 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:39,854 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:06:39,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:39,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095158460] [2020-10-29 12:06:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:40,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:40,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1066 [2020-10-29 12:06:40,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:40,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:06:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:40,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:40,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:40,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:40,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:06:40,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:40,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:41,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:41,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 12:06:41,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:41,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:41,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:41,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:41,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:06:41,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:41,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:41,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:41,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:41,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:41,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:41,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:06:41,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095158460] [2020-10-29 12:06:41,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:41,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:06:41,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210958414] [2020-10-29 12:06:41,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:41,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:41,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:41,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:41,188 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-29 12:06:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:41,525 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2020-10-29 12:06:41,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:06:41,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:06:41,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:41,528 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:06:41,528 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:06:41,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:06:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:06:41,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2020-10-29 12:06:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:06:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:06:41,541 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 29 [2020-10-29 12:06:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:41,541 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:06:41,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:06:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 12:06:41,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:41,544 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] [2020-10-29 12:06:41,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:06:41,544 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:41,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-29 12:06:41,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:41,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416271451] [2020-10-29 12:06:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:46,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 12:06:46,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:06:46,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:06:46,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:46,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:46,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:46,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 12:06:46,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:46,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:46,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:46,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:46,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:46,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:46,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:46,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:46,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:47,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:47,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:47,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:06:47,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-29 12:06:47,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:47,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:06:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:06:48,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:48,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:06:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:48,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:48,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:48,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:48,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:48,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 12:06:48,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416271451] [2020-10-29 12:06:48,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:48,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:06:48,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720172778] [2020-10-29 12:06:48,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:48,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:48,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:48,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:48,122 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-29 12:06:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:48,443 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2020-10-29 12:06:48,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:06:48,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-29 12:06:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:48,446 INFO L225 Difference]: With dead ends: 52 [2020-10-29 12:06:48,446 INFO L226 Difference]: Without dead ends: 47 [2020-10-29 12:06:48,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:06:48,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-29 12:06:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 39. [2020-10-29 12:06:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-29 12:06:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2020-10-29 12:06:48,457 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 51 transitions. Word has length 41 [2020-10-29 12:06:48,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:48,458 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 51 transitions. [2020-10-29 12:06:48,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2020-10-29 12:06:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 12:06:48,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:48,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:48,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:06:48,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:48,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:48,461 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-29 12:06:48,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:48,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540864360] [2020-10-29 12:06:48,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:53,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:06:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:06:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:06:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:53,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:06:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:06:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:53,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:53,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:53,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:06:53,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:53,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:53,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:54,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:06:54,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:06:54,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1296 [2020-10-29 12:06:54,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:54,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:54,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:54,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:06:54,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:54,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:54,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:54,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:06:54,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:54,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:54,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:54,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:54,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:54,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:54,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:54,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:54,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:54,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:54,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:54,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:54,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:54,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:54,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:54,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:54,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:54,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:06:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:54,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 12:06:54,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540864360] [2020-10-29 12:06:54,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:54,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:06:54,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414997456] [2020-10-29 12:06:54,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:54,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:54,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:54,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:54,996 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. Second operand 8 states. [2020-10-29 12:06:55,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:55,456 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2020-10-29 12:06:55,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:06:55,457 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-10-29 12:06:55,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:55,458 INFO L225 Difference]: With dead ends: 47 [2020-10-29 12:06:55,458 INFO L226 Difference]: Without dead ends: 42 [2020-10-29 12:06:55,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:06:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-29 12:06:55,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2020-10-29 12:06:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:06:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:06:55,478 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 42 [2020-10-29 12:06:55,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:55,479 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:06:55,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:06:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:06:55,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:55,485 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:55,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:06:55,486 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:55,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:06:55,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:55,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454152193] [2020-10-29 12:06:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:07:00,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:00,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:07:00,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:00,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:00,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:00,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:07:05,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:07:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:07:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:05,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:07:05,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:05,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:05,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:05,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:05,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:05,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:05,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:05,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:05,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:05,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:05,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:05,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:05,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:05,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:05,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:05,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 12:07:05,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454152193] [2020-10-29 12:07:05,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:05,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:07:05,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523445091] [2020-10-29 12:07:05,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:07:05,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:05,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:07:05,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:07:05,816 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 9 states. [2020-10-29 12:07:06,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:06,492 INFO L93 Difference]: Finished difference Result 58 states and 83 transitions. [2020-10-29 12:07:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:07:06,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-29 12:07:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:06,499 INFO L225 Difference]: With dead ends: 58 [2020-10-29 12:07:06,500 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 12:07:06,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:07:06,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 12:07:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-10-29 12:07:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 12:07:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2020-10-29 12:07:06,535 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 54 [2020-10-29 12:07:06,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:06,535 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2020-10-29 12:07:06,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:07:06,536 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-10-29 12:07:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 12:07:06,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:06,541 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:06,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:07:06,541 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:06,545 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-29 12:07:06,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:06,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999902095] [2020-10-29 12:07:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:06,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:11,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:11,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:07:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:11,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:11,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 12:07:11,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:11,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:11,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:11,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:11,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:11,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:11,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 12:07:16,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:07:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:16,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:07:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:16,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:16,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 12:07:16,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:16,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:16,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:16,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:16,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:16,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:16,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:16,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:16,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:16,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:07:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 12:07:16,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:07:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:16,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:16,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:16,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-29 12:07:16,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999902095] [2020-10-29 12:07:16,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:16,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:07:16,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665070075] [2020-10-29 12:07:16,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:07:16,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:16,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:07:16,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:07:16,939 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 9 states. [2020-10-29 12:07:17,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:17,646 INFO L93 Difference]: Finished difference Result 80 states and 123 transitions. [2020-10-29 12:07:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:07:17,647 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-29 12:07:17,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:17,651 INFO L225 Difference]: With dead ends: 80 [2020-10-29 12:07:17,651 INFO L226 Difference]: Without dead ends: 75 [2020-10-29 12:07:17,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:07:17,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-29 12:07:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2020-10-29 12:07:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-29 12:07:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2020-10-29 12:07:17,670 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 58 [2020-10-29 12:07:17,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:17,670 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2020-10-29 12:07:17,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:07:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2020-10-29 12:07:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-29 12:07:17,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:17,674 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:17,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:07:17,675 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:17,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:17,675 INFO L82 PathProgramCache]: Analyzing trace with hash 531910253, now seen corresponding path program 1 times [2020-10-29 12:07:17,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:17,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913385998] [2020-10-29 12:07:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:17,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:07:22,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:07:22,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:07:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:07:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 12:07:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:22,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:22,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:22,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 12:07:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:27,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:28,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:28,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:07:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:07:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:07:32,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:07:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:07:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:32,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:32,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:32,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:32,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:07:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:07:37,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:38,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:38,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:38,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:38,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:07:38,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:38,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:38,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 40 proven. 83 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-10-29 12:07:38,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913385998] [2020-10-29 12:07:38,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:38,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:07:38,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423423531] [2020-10-29 12:07:38,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:07:38,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:38,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:07:38,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:07:38,202 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand 12 states. [2020-10-29 12:07:39,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:39,614 INFO L93 Difference]: Finished difference Result 186 states and 368 transitions. [2020-10-29 12:07:39,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:07:39,618 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-29 12:07:39,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:39,624 INFO L225 Difference]: With dead ends: 186 [2020-10-29 12:07:39,625 INFO L226 Difference]: Without dead ends: 119 [2020-10-29 12:07:39,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=136, Invalid=514, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:07:39,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-29 12:07:39,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 103. [2020-10-29 12:07:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-29 12:07:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 169 transitions. [2020-10-29 12:07:39,662 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 169 transitions. Word has length 106 [2020-10-29 12:07:39,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:39,663 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 169 transitions. [2020-10-29 12:07:39,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:07:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-10-29 12:07:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 12:07:39,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:39,667 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:39,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:07:39,667 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:39,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:39,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1247551480, now seen corresponding path program 1 times [2020-10-29 12:07:39,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:39,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679838294] [2020-10-29 12:07:39,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:39,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:07:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:44,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:46,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:46,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:07:49,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:49,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:49,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:51,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:51,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:51,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:54,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:07:54,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:54,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:07:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:54,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:07:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:54,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:54,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 12:07:54,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:56,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:56,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:07:56,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1106 [2020-10-29 12:07:56,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:56,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:07:56,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:56,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:56,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:56,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:07:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:56,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:56,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:56,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:56,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:56,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:56,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:56,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:56,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:56,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:56,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:56,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:56,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:07:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:08:01,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:08:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:01,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:08:01,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:01,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:01,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:01,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:01,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:08:01,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:01,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:01,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:01,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:01,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:01,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:01,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:01,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:01,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:01,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:01,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:01,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:01,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:01,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 95 proven. 98 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-10-29 12:08:01,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679838294] [2020-10-29 12:08:01,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:01,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 12:08:01,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289577898] [2020-10-29 12:08:01,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 12:08:01,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:01,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 12:08:01,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:08:01,735 INFO L87 Difference]: Start difference. First operand 103 states and 169 transitions. Second operand 18 states. [2020-10-29 12:08:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:03,350 INFO L93 Difference]: Finished difference Result 206 states and 341 transitions. [2020-10-29 12:08:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:08:03,351 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 122 [2020-10-29 12:08:03,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:03,354 INFO L225 Difference]: With dead ends: 206 [2020-10-29 12:08:03,354 INFO L226 Difference]: Without dead ends: 110 [2020-10-29 12:08:03,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2020-10-29 12:08:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-29 12:08:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 91. [2020-10-29 12:08:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-29 12:08:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2020-10-29 12:08:03,390 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 122 [2020-10-29 12:08:03,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:03,391 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2020-10-29 12:08:03,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 12:08:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-10-29 12:08:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 12:08:03,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:03,393 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:03,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:08:03,394 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:03,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:03,394 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 1 times [2020-10-29 12:08:03,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:03,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397395768] [2020-10-29 12:08:03,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:08:08,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-29 12:08:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:08:08,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 12:08:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:08,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:08,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:08,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:08:13,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:14,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4768 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:08:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:18,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:18,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:18,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:18,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:18,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:08:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:08:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:23,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:23,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:23,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:23,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:23,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:23,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:23,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:23,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:23,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:23,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:23,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:23,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:23,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:23,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:23,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:23,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 65 proven. 86 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-29 12:08:23,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397395768] [2020-10-29 12:08:23,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:23,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:08:23,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831157521] [2020-10-29 12:08:23,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:08:23,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:23,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:08:23,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:08:23,597 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand 13 states. [2020-10-29 12:08:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:24,788 INFO L93 Difference]: Finished difference Result 211 states and 347 transitions. [2020-10-29 12:08:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:08:24,788 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2020-10-29 12:08:24,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:24,791 INFO L225 Difference]: With dead ends: 211 [2020-10-29 12:08:24,791 INFO L226 Difference]: Without dead ends: 128 [2020-10-29 12:08:24,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:08:24,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-29 12:08:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 115. [2020-10-29 12:08:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-29 12:08:24,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2020-10-29 12:08:24,823 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 110 [2020-10-29 12:08:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:24,824 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2020-10-29 12:08:24,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:08:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2020-10-29 12:08:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 12:08:24,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:24,826 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:24,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:08:24,827 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:24,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:24,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1119495226, now seen corresponding path program 1 times [2020-10-29 12:08:24,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:24,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853452025] [2020-10-29 12:08:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:24,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:24,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:29,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 12:08:29,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:29,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:29,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:29,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:29,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:08:34,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:08:34,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:34,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:34,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:39,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:08:39,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:08:39,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:08:39,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:39,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:39,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 12:08:39,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:39,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:40,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:08:40,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 738 [2020-10-29 12:08:40,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:08:40,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:40,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:40,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:40,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:08:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:08:45,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4914 [2020-10-29 12:08:45,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:08:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:45,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:45,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:45,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:45,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:45,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:45,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:46,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:46,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:46,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:46,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:46,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:46,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:46,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:46,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:46,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:46,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 97 proven. 106 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-29 12:08:46,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853452025] [2020-10-29 12:08:46,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:46,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:08:46,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306419812] [2020-10-29 12:08:46,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:08:46,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:46,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:08:46,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:08:46,079 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand 17 states. [2020-10-29 12:08:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:47,549 INFO L93 Difference]: Finished difference Result 267 states and 430 transitions. [2020-10-29 12:08:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:08:47,550 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 122 [2020-10-29 12:08:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:47,553 INFO L225 Difference]: With dead ends: 267 [2020-10-29 12:08:47,553 INFO L226 Difference]: Without dead ends: 157 [2020-10-29 12:08:47,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2020-10-29 12:08:47,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-29 12:08:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2020-10-29 12:08:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-29 12:08:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 205 transitions. [2020-10-29 12:08:47,599 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 205 transitions. Word has length 122 [2020-10-29 12:08:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:47,599 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 205 transitions. [2020-10-29 12:08:47,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:08:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 205 transitions. [2020-10-29 12:08:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 12:08:47,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:47,608 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:47,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:08:47,608 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:47,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1001167155, now seen corresponding path program 2 times [2020-10-29 12:08:47,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:47,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1728033925] [2020-10-29 12:08:47,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:48,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 12:08:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-29 12:08:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 12:08:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:08:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:53,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:53,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:53,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:53,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:57,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:08:57,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:08:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:08:57,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:57,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:57,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:57,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 12:08:57,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:57,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:57,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:02,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:09:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:02,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:04,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:09:04,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1439 [2020-10-29 12:09:04,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:09:04,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:04,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:04,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:04,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:04,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:04,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:04,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:04,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:04,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:04,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:04,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:04,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:09:04,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:04,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:04,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:04,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:04,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:04,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:04,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:04,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:04,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:04,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:09:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:04,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:04,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3827 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:08,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:09:08,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:08,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:09:08,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:08,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:08,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:08,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:08,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:08,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:08,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:08,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:08,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:09:08,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:08,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:08,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:08,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:08,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:08,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:08,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:08,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:08,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:08,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 101 proven. 104 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-10-29 12:09:08,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1728033925] [2020-10-29 12:09:08,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:08,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:09:08,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644816211] [2020-10-29 12:09:08,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:09:08,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:08,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:09:08,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:09:08,433 INFO L87 Difference]: Start difference. First operand 154 states and 205 transitions. Second operand 13 states. [2020-10-29 12:09:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:09,338 INFO L93 Difference]: Finished difference Result 320 states and 467 transitions. [2020-10-29 12:09:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:09:09,339 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-29 12:09:09,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:09,343 INFO L225 Difference]: With dead ends: 320 [2020-10-29 12:09:09,343 INFO L226 Difference]: Without dead ends: 175 [2020-10-29 12:09:09,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:09:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-29 12:09:09,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2020-10-29 12:09:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-29 12:09:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 227 transitions. [2020-10-29 12:09:09,384 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 227 transitions. Word has length 138 [2020-10-29 12:09:09,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:09,384 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 227 transitions. [2020-10-29 12:09:09,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:09:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 227 transitions. [2020-10-29 12:09:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 12:09:09,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:09,387 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:09:09,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:09:09,388 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:09,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:09,388 INFO L82 PathProgramCache]: Analyzing trace with hash -576726698, now seen corresponding path program 3 times [2020-10-29 12:09:09,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:09,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788245968] [2020-10-29 12:09:09,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 12:09:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:14,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:14,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:14,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:15,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:19,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 12:09:19,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:09:19,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 12:09:19,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:19,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:09:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:09:19,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:19,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:19,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:09:24,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:09:24,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:09:24,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 12:09:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:09:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:24,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:24,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:24,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:24,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:24,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:24,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:24,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:24,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:24,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:24,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:24,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:24,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:09:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:09:24,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:24,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:24,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:24,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:24,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:24,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:24,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:09:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:24,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:24,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:25,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:29,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:09:29,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:09:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:09:29,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:29,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:09:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:29,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:29,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:29,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:09:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:09:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 12:09:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:09:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:09:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:09:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:30,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:30,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:09:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:30,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:30,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:30,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 159 proven. 76 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-10-29 12:09:30,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788245968] [2020-10-29 12:09:30,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:30,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:09:30,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765368276] [2020-10-29 12:09:30,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:09:30,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:30,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:09:30,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:09:30,125 INFO L87 Difference]: Start difference. First operand 170 states and 227 transitions. Second operand 15 states. [2020-10-29 12:09:31,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:31,336 INFO L93 Difference]: Finished difference Result 286 states and 426 transitions. [2020-10-29 12:09:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 12:09:31,338 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 150 [2020-10-29 12:09:31,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:31,343 INFO L225 Difference]: With dead ends: 286 [2020-10-29 12:09:31,346 INFO L226 Difference]: Without dead ends: 120 [2020-10-29 12:09:31,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:09:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-29 12:09:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2020-10-29 12:09:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-29 12:09:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2020-10-29 12:09:31,369 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 137 transitions. Word has length 150 [2020-10-29 12:09:31,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:31,369 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 137 transitions. [2020-10-29 12:09:31,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:09:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2020-10-29 12:09:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-29 12:09:31,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:31,373 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] [2020-10-29 12:09:31,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:09:31,373 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:31,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:31,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2086345789, now seen corresponding path program 4 times [2020-10-29 12:09:31,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:31,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506006419] [2020-10-29 12:09:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:31,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:31,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:33,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:34,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:35,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:09:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:09:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-29 12:09:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:36,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:36,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:36,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:36,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:36,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:36,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:39,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:40,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:40,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:40,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:41,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-29 12:09:41,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-29 12:09:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:41,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:41,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:43,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:09:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:46,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:46,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:47,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:47,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:51,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:51,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:09:51,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:51,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:51,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:51,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:51,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:51,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:51,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:53,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1713 [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:09:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:53,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:53,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:53,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:53,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:09:53,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:53,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:09:53,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:09:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:53,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:09:53,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:53,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:53,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:53,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:53,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:53,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:09:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:53,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:54,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:58,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:09:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:58,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:58,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:03,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:10:03,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:10:03,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:10:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:03,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:10:03,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:10:03,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:03,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:03,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:03,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:03,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:10:03,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:03,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:03,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:03,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:10:03,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:03,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:03,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:03,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:03,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:03,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:03,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 205 proven. 293 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2020-10-29 12:10:03,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506006419] [2020-10-29 12:10:03,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:10:03,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:10:03,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035121919] [2020-10-29 12:10:03,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:10:03,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:10:03,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:10:03,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:10:03,838 INFO L87 Difference]: Start difference. First operand 106 states and 137 transitions. Second operand 14 states. [2020-10-29 12:10:05,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:10:05,200 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2020-10-29 12:10:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:10:05,201 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 220 [2020-10-29 12:10:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:10:05,204 INFO L225 Difference]: With dead ends: 232 [2020-10-29 12:10:05,204 INFO L226 Difference]: Without dead ends: 131 [2020-10-29 12:10:05,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:10:05,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-29 12:10:05,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-29 12:10:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-29 12:10:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 172 transitions. [2020-10-29 12:10:05,220 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 172 transitions. Word has length 220 [2020-10-29 12:10:05,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:10:05,221 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 172 transitions. [2020-10-29 12:10:05,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:10:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2020-10-29 12:10:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-29 12:10:05,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:10:05,224 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:10:05,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:10:05,224 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:10:05,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:10:05,225 INFO L82 PathProgramCache]: Analyzing trace with hash -2062267219, now seen corresponding path program 5 times [2020-10-29 12:10:05,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:10:05,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322505573] [2020-10-29 12:10:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:10:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:05,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:05,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:06,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:10,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:10:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:10:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:10:10,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:10:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:10,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:10:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:10,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:10,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:11,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:12,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:12,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:12,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:13,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:10:15,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:10:15,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-29 12:10:15,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:15,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:15,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:10:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:10:20,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:10:20,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:10:20,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:20,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:20,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:20,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:10:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:10:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:10:20,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:10:20,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-29 12:10:20,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:10:20,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:20,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:20,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 12:10:20,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:10:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:20,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:20,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:20,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:20,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:20,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:20,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:10:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:10:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:20,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:20,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:20,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:10:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:20,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:20,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 951 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:10:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:21,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:10:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:22,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:22,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:10:22,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:22,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:10:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:22,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:10:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:22,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:10:22,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:22,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:10:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:10:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:22,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:22,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:10:22,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:22,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:22,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:22,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:22,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:22,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:10:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:10:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:10:22,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:10:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:10:22,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:10:22,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:10:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:10:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:10:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:10:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:10:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 205 proven. 101 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2020-10-29 12:10:22,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322505573] [2020-10-29 12:10:22,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:10:22,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:10:22,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302647402] [2020-10-29 12:10:22,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:10:22,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:10:22,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:10:22,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:10:22,200 INFO L87 Difference]: Start difference. First operand 131 states and 172 transitions. Second operand 15 states. [2020-10-29 12:10:23,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:10:23,356 INFO L93 Difference]: Finished difference Result 259 states and 387 transitions. [2020-10-29 12:10:23,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 12:10:23,357 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 166 [2020-10-29 12:10:23,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:10:23,360 INFO L225 Difference]: With dead ends: 259 [2020-10-29 12:10:23,360 INFO L226 Difference]: Without dead ends: 132 [2020-10-29 12:10:23,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:10:23,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-29 12:10:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 123. [2020-10-29 12:10:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-29 12:10:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 163 transitions. [2020-10-29 12:10:23,377 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 163 transitions. Word has length 166 [2020-10-29 12:10:23,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:10:23,377 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 163 transitions. [2020-10-29 12:10:23,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:10:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 163 transitions. [2020-10-29 12:10:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-29 12:10:23,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:10:23,381 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:10:23,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:10:23,381 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:10:23,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:10:23,381 INFO L82 PathProgramCache]: Analyzing trace with hash -695303513, now seen corresponding path program 6 times [2020-10-29 12:10:23,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:10:23,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970527429] [2020-10-29 12:10:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:10:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:10:23,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:23,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:25,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:25,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:25,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:10:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking...