/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_20-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:05:29,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:05:29,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:05:29,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:05:29,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:05:29,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:05:29,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:05:29,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:05:29,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:05:29,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:05:29,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:05:29,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:05:29,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:05:29,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:05:29,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:05:29,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:05:29,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:05:29,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:05:29,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:05:29,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:05:29,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:05:29,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:05:29,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:05:29,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:05:29,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:05:29,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:05:29,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:05:29,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:05:29,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:05:29,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:05:29,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:05:29,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:05:29,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:05:29,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:05:29,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:05:29,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:05:29,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:05:29,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:05:29,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:05:29,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:05:29,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:05:29,627 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 12:05:29,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:05:29,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:05:29,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:05:29,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:05:29,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:05:29,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:05:29,660 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:05:29,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:05:29,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:05:29,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:05:29,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:05:29,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:05:29,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:05:29,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:05:29,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:05:29,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:05:29,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:05:29,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:05:29,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:05:29,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:05:29,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:05:29,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:05:29,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:05:29,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:05:29,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:05:29,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:05:29,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:05:29,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:05:29,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:05:29,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:05:30,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:05:30,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:05:30,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:05:30,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:05:30,080 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:05:30,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_20-2.c [2020-10-29 12:05:30,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6669b6397/3e38c6467c304bbdbb5cbe74b630c71e/FLAGdf4301562 [2020-10-29 12:05:30,792 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:05:30,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_20-2.c [2020-10-29 12:05:30,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6669b6397/3e38c6467c304bbdbb5cbe74b630c71e/FLAGdf4301562 [2020-10-29 12:05:31,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6669b6397/3e38c6467c304bbdbb5cbe74b630c71e [2020-10-29 12:05:31,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:05:31,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:05:31,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:05:31,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:05:31,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:05:31,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eea0383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31, skipping insertion in model container [2020-10-29 12:05:31,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:05:31,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:05:31,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:05:31,437 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:05:31,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:05:31,476 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:05:31,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31 WrapperNode [2020-10-29 12:05:31,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:05:31,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:05:31,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:05:31,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:05:31,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (1/1) ... [2020-10-29 12:05:31,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:05:31,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:05:31,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:05:31,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:05:31,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (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 12:05:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:05:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:05:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:05:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:05:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:05:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:05:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:05:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:05:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:05:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:05:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:05:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:05:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:05:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:05:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:05:32,060 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:05:32,060 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:05:32,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:32 BoogieIcfgContainer [2020-10-29 12:05:32,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:05:32,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:05:32,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:05:32,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:05:32,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:05:31" (1/3) ... [2020-10-29 12:05:32,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af907c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:05:32, skipping insertion in model container [2020-10-29 12:05:32,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:31" (2/3) ... [2020-10-29 12:05:32,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af907c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:05:32, skipping insertion in model container [2020-10-29 12:05:32,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:32" (3/3) ... [2020-10-29 12:05:32,075 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_20-2.c [2020-10-29 12:05:32,090 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:05:32,098 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:05:32,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:05:32,197 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:05:32,197 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:05:32,197 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:05:32,198 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:05:32,198 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:05:32,198 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:05:32,198 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:05:32,198 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:05:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:05:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:05:32,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:32,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:32,228 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:32,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:32,237 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:05:32,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:32,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894126530] [2020-10-29 12:05:32,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:32,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:32,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:05:32,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-29 12:05:32,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:32,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:32,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:05:32,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:32,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:32,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 12:05:32,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:32,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 12:05:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:32,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:32,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:32,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:05:32,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:32,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:33,045 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 12:05:33,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894126530] [2020-10-29 12:05:33,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:05:33,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:05:33,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030605570] [2020-10-29 12:05:33,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:05:33,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:33,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:05:33,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:05:33,103 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:05:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:33,488 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:05:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:05:33,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:05:33,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:33,503 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:05:33,503 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:05:33,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:05:33,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:05:33,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:05:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:05:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:05:33,573 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:05:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:33,573 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:05:33,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:05:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:05:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 12:05:33,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:33,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:33,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:05:33,578 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:33,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:33,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-29 12:05:33,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:33,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012359712] [2020-10-29 12:05:33,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:33,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:33,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:33,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 12:05:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:33,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:05:33,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:33,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:33,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:33,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:33,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:05:33,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:33,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:33,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:33,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:33,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:33,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:05:33,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:33,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:33,891 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 12:05:33,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012359712] [2020-10-29 12:05:33,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:05:33,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:05:33,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524072796] [2020-10-29 12:05:33,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:05:33,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:33,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:05:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:05:33,896 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-29 12:05:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:34,158 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-29 12:05:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:05:34,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-29 12:05:34,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:34,161 INFO L225 Difference]: With dead ends: 39 [2020-10-29 12:05:34,161 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 12:05:34,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:05:34,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 12:05:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-29 12:05:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:05:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:05:34,176 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-29 12:05:34,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:34,177 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:05:34,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:05:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:05:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:05:34,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:34,179 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 12:05:34,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:05:34,180 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:34,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:05:34,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:34,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [358101387] [2020-10-29 12:05:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:34,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:34,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:05:35,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 953 [2020-10-29 12:05:35,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:35,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:35,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:05:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:35,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:05:35,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:35,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:35,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:35,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-29 12:05:35,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:35,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:35,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:35,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:05:35,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:05:35,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:35,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:35,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:35,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:35,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:35,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 12:05:35,515 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 12:05:35,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [358101387] [2020-10-29 12:05:35,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:35,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:05:35,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566621150] [2020-10-29 12:05:35,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:35,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:35,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:35,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:35,522 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:05:36,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:36,026 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-29 12:05:36,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:05:36,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:05:36,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:36,031 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:05:36,031 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:05:36,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:05:36,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:05:36,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-29 12:05:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:05:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-29 12:05:36,050 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-29 12:05:36,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:36,050 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-29 12:05:36,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-29 12:05:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:05:36,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:36,052 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 12:05:36,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:05:36,053 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:36,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:36,054 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:05:36,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:36,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357399156] [2020-10-29 12:05:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:36,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:36,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:05:36,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:36,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-29 12:05:36,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:36,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:36,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:36,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:05:36,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:36,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:36,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:36,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:36,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:36,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:05:36,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:36,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:36,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:36,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:36,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:36,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:36,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:36,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 12:05:36,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:36,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:36,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:36,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:36,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:36,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:36,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:36,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:36,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:36,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:36,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:36,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:36,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:05:36,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:36,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:36,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:05:36,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357399156] [2020-10-29 12:05:36,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:05:36,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:05:36,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318663178] [2020-10-29 12:05:36,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:36,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:36,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:36,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:36,645 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-29 12:05:37,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:37,123 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-29 12:05:37,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:05:37,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:05:37,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:37,126 INFO L225 Difference]: With dead ends: 54 [2020-10-29 12:05:37,126 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 12:05:37,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:05:37,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 12:05:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-29 12:05:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 12:05:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-29 12:05:37,142 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-29 12:05:37,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:37,142 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-29 12:05:37,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-29 12:05:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 12:05:37,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:37,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:37,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:05:37,145 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:37,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:37,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-29 12:05:37,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:37,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004257642] [2020-10-29 12:05:37,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:37,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:37,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:05:37,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:05:37,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-29 12:05:37,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:37,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:37,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:37,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 12:05:37,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:37,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:37,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:37,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:37,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:37,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:37,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:37,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:37,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:05:37,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:05:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-29 12:05:37,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:37,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:38,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:38,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:38,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:38,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:38,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:38,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:38,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:38,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:38,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:38,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:38,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:05:38,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:38,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:05:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:05:38,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004257642] [2020-10-29 12:05:38,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:05:38,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:05:38,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666077299] [2020-10-29 12:05:38,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:38,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:38,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:38,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:38,068 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-29 12:05:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:38,647 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-29 12:05:38,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:05:38,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-29 12:05:38,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:38,652 INFO L225 Difference]: With dead ends: 65 [2020-10-29 12:05:38,653 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 12:05:38,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:05:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 12:05:38,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-29 12:05:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-29 12:05:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-29 12:05:38,686 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-29 12:05:38,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:38,686 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-29 12:05:38,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:38,686 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-29 12:05:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:05:38,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:38,692 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 12:05:38,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:05:38,693 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:38,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:05:38,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:38,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395320473] [2020-10-29 12:05:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:38,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:43,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:05:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:05:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:05:43,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:43,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 12:05:43,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:43,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:43,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:43,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:43,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:43,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:43,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:43,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:43,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:43,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:43,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:43,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:43,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:44,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:45,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:45,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:05:48,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:05:48,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:05:48,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:05:48,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:48,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:48,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:05:48,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:48,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:48,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:48,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:48,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:48,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:48,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:05:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:49,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:49,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-29 12:05:49,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:05:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:49,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:49,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:49,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:49,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:49,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:49,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:49,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 12:05:49,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395320473] [2020-10-29 12:05:49,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:49,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:05:49,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529456684] [2020-10-29 12:05:49,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:05:49,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:49,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:05:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:05:49,101 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 9 states. [2020-10-29 12:05:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:49,621 INFO L93 Difference]: Finished difference Result 84 states and 135 transitions. [2020-10-29 12:05:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:05:49,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-29 12:05:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:49,625 INFO L225 Difference]: With dead ends: 84 [2020-10-29 12:05:49,626 INFO L226 Difference]: Without dead ends: 79 [2020-10-29 12:05:49,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:05:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-29 12:05:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-10-29 12:05:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-29 12:05:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2020-10-29 12:05:49,664 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 54 [2020-10-29 12:05:49,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:49,665 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2020-10-29 12:05:49,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:05:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2020-10-29 12:05:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 12:05:49,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:49,674 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:49,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:05:49,674 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:49,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:49,675 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-29 12:05:49,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:49,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748104269] [2020-10-29 12:05:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:54,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:05:54,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:05:54,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:05:54,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:54,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 12:05:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:05:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:54,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:54,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:54,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:54,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:54,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:56,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:56,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:05:59,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:05:59,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:05:59,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:05:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:59,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:59,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:59,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 12:05:59,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:05:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:59,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:59,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:59,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:05:59,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:59,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:59,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:05:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:59,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:59,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:59,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:59,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:59,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:59,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:59,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:59,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:05:59,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:59,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:59,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:59,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:59,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:59,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:59,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:59,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:59,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:59,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:59,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:59,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:59,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:59,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:59,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:59,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:59,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-29 12:05:59,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748104269] [2020-10-29 12:05:59,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:59,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:05:59,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430654552] [2020-10-29 12:05:59,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:05:59,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:59,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:05:59,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:05:59,979 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand 9 states. [2020-10-29 12:06:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:00,691 INFO L93 Difference]: Finished difference Result 165 states and 323 transitions. [2020-10-29 12:06:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 12:06:00,692 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-29 12:06:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:00,696 INFO L225 Difference]: With dead ends: 165 [2020-10-29 12:06:00,696 INFO L226 Difference]: Without dead ends: 101 [2020-10-29 12:06:00,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:06:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-29 12:06:00,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 96. [2020-10-29 12:06:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-29 12:06:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 157 transitions. [2020-10-29 12:06:00,722 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 157 transitions. Word has length 56 [2020-10-29 12:06:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:00,723 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 157 transitions. [2020-10-29 12:06:00,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:06:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2020-10-29 12:06:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-29 12:06:00,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:00,725 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:00,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:06:00,728 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:00,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1577514399, now seen corresponding path program 1 times [2020-10-29 12:06:00,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:00,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837217022] [2020-10-29 12:06:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:00,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:05,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 12:06:05,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:06:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:06:05,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:05,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:06:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:06:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:06:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:05,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:05,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:05,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:05,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:05,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:06:05,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:05,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:06:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:05,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:10,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 12:06:10,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:06:10,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 12:06:10,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:10,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:10,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:06:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:06:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:10,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:10,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:11,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:06:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-29 12:06:11,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:06:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:11,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 12:06:11,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:11,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:11,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:11,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:11,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:11,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:11,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:11,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:11,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:11,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:11,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:06:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:12,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:12,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:06:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:12,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:12,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:12,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:06:12,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:12,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:12,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:12,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:12,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:12,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:12,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:12,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:12,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:12,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:12,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:12,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:12,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:12,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:12,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:12,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:12,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 30 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-29 12:06:12,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837217022] [2020-10-29 12:06:12,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:12,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:06:12,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216009221] [2020-10-29 12:06:12,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:06:12,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:12,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:06:12,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:06:12,426 INFO L87 Difference]: Start difference. First operand 96 states and 157 transitions. Second operand 11 states. [2020-10-29 12:06:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:13,559 INFO L93 Difference]: Finished difference Result 224 states and 440 transitions. [2020-10-29 12:06:13,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:06:13,561 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 80 [2020-10-29 12:06:13,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:13,564 INFO L225 Difference]: With dead ends: 224 [2020-10-29 12:06:13,564 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 12:06:13,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:06:13,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 12:06:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79. [2020-10-29 12:06:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-29 12:06:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 116 transitions. [2020-10-29 12:06:13,588 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 116 transitions. Word has length 80 [2020-10-29 12:06:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:13,589 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 116 transitions. [2020-10-29 12:06:13,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:06:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2020-10-29 12:06:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 12:06:13,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:13,591 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:13,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:06:13,591 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:13,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:13,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2066273030, now seen corresponding path program 1 times [2020-10-29 12:06:13,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:13,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930088855] [2020-10-29 12:06:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:13,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:18,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:06:18,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:06:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:06:18,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:18,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 12:06:18,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:18,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:18,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:18,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:18,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:18,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:18,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:18,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:18,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:18,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:20,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:20,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:20,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:23,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:06:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:23,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:23,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:24,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:06:24,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:06:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-29 12:06:24,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:24,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:24,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:24,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:24,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:24,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 12:06:24,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:24,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:24,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:24,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:24,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:24,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:24,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:24,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:24,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:24,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:24,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:24,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:24,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:24,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:24,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:24,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:24,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:24,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:24,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:24,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:24,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:06:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:24,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:24,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:29,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 12:06:29,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-29 12:06:29,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:29,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:29,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 12:06:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:29,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:29,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:29,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:29,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:06:29,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:29,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:29,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:29,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:29,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:29,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:29,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:29,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:29,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:29,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:29,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:29,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:29,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:29,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:29,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:30,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:30,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:34,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:06:34,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:06:34,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:34,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:34,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:06:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:34,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:35,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:06:35,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-29 12:06:35,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:06:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:35,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:35,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:06:35,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:06:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:35,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:35,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:35,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:35,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:06:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:35,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 100 proven. 77 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-10-29 12:06:35,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930088855] [2020-10-29 12:06:35,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:35,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:06:35,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506872492] [2020-10-29 12:06:35,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:06:35,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:35,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:06:35,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:06:35,223 INFO L87 Difference]: Start difference. First operand 79 states and 116 transitions. Second operand 17 states. [2020-10-29 12:06:36,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:36,683 INFO L93 Difference]: Finished difference Result 168 states and 289 transitions. [2020-10-29 12:06:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:06:36,687 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-10-29 12:06:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:36,689 INFO L225 Difference]: With dead ends: 168 [2020-10-29 12:06:36,689 INFO L226 Difference]: Without dead ends: 73 [2020-10-29 12:06:36,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=161, Invalid=831, Unknown=0, NotChecked=0, Total=992 [2020-10-29 12:06:36,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-29 12:06:36,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 64. [2020-10-29 12:06:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-29 12:06:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2020-10-29 12:06:36,718 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 120 [2020-10-29 12:06:36,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:36,718 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2020-10-29 12:06:36,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:06:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2020-10-29 12:06:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-29 12:06:36,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:36,723 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:36,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:06:36,723 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:36,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:36,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1565484629, now seen corresponding path program 1 times [2020-10-29 12:06:36,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:36,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930396374] [2020-10-29 12:06:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:36,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:37,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:37,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:41,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 12:06:41,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:06:41,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:41,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:41,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:41,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:46,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 12:06:46,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:06:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:06:46,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:46,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:06:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 12:06:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:46,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:47,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:51,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:06:51,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:51,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:51,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:51,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:51,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 12:06:51,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:51,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:06:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:52,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:52,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:52,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:52,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:52,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:52,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:52,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:52,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:52,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:52,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:52,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:06:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:52,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:52,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:52,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:52,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:52,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:52,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:52,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:52,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:52,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:52,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 46 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-29 12:06:52,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930396374] [2020-10-29 12:06:52,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:52,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:06:52,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784642159] [2020-10-29 12:06:52,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:06:52,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:52,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:06:52,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:06:52,367 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand 12 states. [2020-10-29 12:06:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:53,247 INFO L93 Difference]: Finished difference Result 148 states and 232 transitions. [2020-10-29 12:06:53,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:06:53,248 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-29 12:06:53,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:53,250 INFO L225 Difference]: With dead ends: 148 [2020-10-29 12:06:53,250 INFO L226 Difference]: Without dead ends: 91 [2020-10-29 12:06:53,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:06:53,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-29 12:06:53,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-29 12:06:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 12:06:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2020-10-29 12:06:53,266 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 97 [2020-10-29 12:06:53,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:53,266 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2020-10-29 12:06:53,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:06:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2020-10-29 12:06:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-29 12:06:53,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:53,268 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:53,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:06:53,268 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:53,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:53,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1171502162, now seen corresponding path program 1 times [2020-10-29 12:06:53,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:53,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049444818] [2020-10-29 12:06:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:53,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:53,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:58,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 12:06:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-29 12:06:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:06:58,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:58,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:06:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:06:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:06:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:58,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:58,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:58,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:58,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:03,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 12:07:03,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:07:03,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:03,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:03,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:03,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:07:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:07:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:07:03,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:03,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:04,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:04,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:04,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:07:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:07:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:08,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:08,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:07:08,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:08,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:08,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:08,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:08,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:08,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:08,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:08,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:08,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:07:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-29 12:07:08,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 12:07:08,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:08,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:08,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 12:07:08,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:08,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:08,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:08,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:08,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:07:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-29 12:07:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:08,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 44 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-29 12:07:08,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049444818] [2020-10-29 12:07:08,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:08,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:07:08,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552030425] [2020-10-29 12:07:08,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:07:08,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:08,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:07:08,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:08,968 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand 13 states. [2020-10-29 12:07:09,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:09,879 INFO L93 Difference]: Finished difference Result 167 states and 251 transitions. [2020-10-29 12:07:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:07:09,880 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 96 [2020-10-29 12:07:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:09,883 INFO L225 Difference]: With dead ends: 167 [2020-10-29 12:07:09,883 INFO L226 Difference]: Without dead ends: 87 [2020-10-29 12:07:09,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:07:09,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-29 12:07:09,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-29 12:07:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 12:07:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 116 transitions. [2020-10-29 12:07:09,909 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 116 transitions. Word has length 96 [2020-10-29 12:07:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:09,909 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 116 transitions. [2020-10-29 12:07:09,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:07:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2020-10-29 12:07:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-29 12:07:09,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:09,911 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:09,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:07:09,911 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:09,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1999670315, now seen corresponding path program 2 times [2020-10-29 12:07:09,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:09,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679652702] [2020-10-29 12:07:09,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:09,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:14,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:14,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:14,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 12:07:14,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:07:14,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:07:14,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:14,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:07:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:07:14,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:14,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:14,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:14,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:14,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:14,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:14,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:14,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:14,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:14,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:14,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:19,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 12:07:19,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-29 12:07:19,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:07:19,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:19,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:19,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:19,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:19,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:07:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:20,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:20,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:25,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:07:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:25,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:07:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:25,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:07:25,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:25,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:25,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:25,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:07:25,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:25,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:25,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:25,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:25,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:25,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:07:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 12:07:25,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:25,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:25,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:25,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:25,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 69 proven. 49 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-29 12:07:25,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679652702] [2020-10-29 12:07:25,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:25,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:07:25,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844308783] [2020-10-29 12:07:25,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:07:25,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:25,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:07:25,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:07:25,754 INFO L87 Difference]: Start difference. First operand 87 states and 116 transitions. Second operand 15 states. [2020-10-29 12:07:27,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:27,244 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2020-10-29 12:07:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:07:27,245 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 97 [2020-10-29 12:07:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:27,247 INFO L225 Difference]: With dead ends: 180 [2020-10-29 12:07:27,247 INFO L226 Difference]: Without dead ends: 85 [2020-10-29 12:07:27,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=153, Invalid=659, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:07:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-29 12:07:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79. [2020-10-29 12:07:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-29 12:07:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2020-10-29 12:07:27,277 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 97 [2020-10-29 12:07:27,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:27,279 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2020-10-29 12:07:27,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:07:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2020-10-29 12:07:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 12:07:27,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:27,286 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:27,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:07:27,287 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:27,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:27,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 3 times [2020-10-29 12:07:27,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:27,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657833702] [2020-10-29 12:07:27,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:32,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 12:07:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:33,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:07:37,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:07:37,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:37,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:37,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:37,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:07:37,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:37,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:07:37,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:07:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:37,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:37,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:37,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:37,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:37,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:37,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:37,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:37,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:37,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:07:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:38,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-29 12:07:38,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:38,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:07:38,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:38,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:38,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:38,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:38,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:38,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:38,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:38,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:38,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 69 proven. 19 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-29 12:07:38,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657833702] [2020-10-29 12:07:38,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:38,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:07:38,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360026766] [2020-10-29 12:07:38,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:07:38,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:38,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:07:38,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:07:38,163 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand 10 states. [2020-10-29 12:07:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:38,705 INFO L93 Difference]: Finished difference Result 87 states and 110 transitions. [2020-10-29 12:07:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:07:38,706 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-29 12:07:38,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:38,707 INFO L225 Difference]: With dead ends: 87 [2020-10-29 12:07:38,707 INFO L226 Difference]: Without dead ends: 82 [2020-10-29 12:07:38,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:07:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-29 12:07:38,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-10-29 12:07:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-29 12:07:38,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2020-10-29 12:07:38,729 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 111 [2020-10-29 12:07:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:38,732 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2020-10-29 12:07:38,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:07:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2020-10-29 12:07:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-29 12:07:38,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:38,736 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:38,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:07:38,736 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:38,737 INFO L82 PathProgramCache]: Analyzing trace with hash 182861805, now seen corresponding path program 1 times [2020-10-29 12:07:38,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:38,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123399328] [2020-10-29 12:07:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:38,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:07:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:07:43,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 12:07:43,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:43,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:43,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:43,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:48,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-29 12:07:48,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:07:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:48,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-29 12:07:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:48,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:48,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:48,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:48,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:48,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:51,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:53,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 12:07:53,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 12:07:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:53,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:53,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:54,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:54,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:54,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:54,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:54,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:54,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:54,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:54,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:54,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:54,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:54,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-29 12:07:54,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:54,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:54,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:07:54,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:54,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:54,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:54,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:54,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:54,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:54,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:54,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 12:07:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:54,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:55,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:56,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:08:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:08:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:00,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:00,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:00,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:00,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:08:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:00,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:00,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:00,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:00,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:00,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:00,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:00,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:00,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:00,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 148 proven. 180 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-29 12:08:00,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123399328] [2020-10-29 12:08:00,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:00,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:08:00,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804432173] [2020-10-29 12:08:00,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:08:00,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:00,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:08:00,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:08:00,522 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand 15 states. [2020-10-29 12:08:01,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:01,868 INFO L93 Difference]: Finished difference Result 198 states and 294 transitions. [2020-10-29 12:08:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:08:01,869 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 166 [2020-10-29 12:08:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:01,871 INFO L225 Difference]: With dead ends: 198 [2020-10-29 12:08:01,871 INFO L226 Difference]: Without dead ends: 99 [2020-10-29 12:08:01,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:08:01,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-29 12:08:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 90. [2020-10-29 12:08:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-29 12:08:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2020-10-29 12:08:01,885 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 166 [2020-10-29 12:08:01,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:01,885 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2020-10-29 12:08:01,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:08:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2020-10-29 12:08:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-29 12:08:01,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:01,888 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:01,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:08:01,889 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:01,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1086364258, now seen corresponding path program 4 times [2020-10-29 12:08:01,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:01,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013383893] [2020-10-29 12:08:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:01,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:01,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:02,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:08:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:06,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:07,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:07,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:07,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:07,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:07,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:08,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:12,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-29 12:08:12,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-29 12:08:12,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:12,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:08:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:08:17,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:08:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:17,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:17,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:17,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:17,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:17,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:17,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:17,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:17,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 12:08:17,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:17,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:17,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:17,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:17,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:17,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:17,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:17,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:17,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:17,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:17,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:08:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:08:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-29 12:08:22,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:22,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:22,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:22,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:08:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:27,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:27,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:27,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:27,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:27,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:27,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:27,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 12:08:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:27,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:27,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:27,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:27,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:27,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:27,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:08:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:27,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:08:27,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:27,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:27,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:27,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:27,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:27,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:27,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:27,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:27,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:27,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:27,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:27,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:27,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 172 proven. 228 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2020-10-29 12:08:27,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013383893] [2020-10-29 12:08:27,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:27,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:08:27,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553584450] [2020-10-29 12:08:27,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:08:27,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:27,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:08:27,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:08:27,598 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand 13 states. [2020-10-29 12:08:28,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:28,902 INFO L93 Difference]: Finished difference Result 221 states and 333 transitions. [2020-10-29 12:08:28,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:08:28,902 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 206 [2020-10-29 12:08:28,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:28,910 INFO L225 Difference]: With dead ends: 221 [2020-10-29 12:08:28,910 INFO L226 Difference]: Without dead ends: 112 [2020-10-29 12:08:28,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:08:28,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-29 12:08:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2020-10-29 12:08:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-29 12:08:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 137 transitions. [2020-10-29 12:08:28,938 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 137 transitions. Word has length 206 [2020-10-29 12:08:28,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:28,942 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 137 transitions. [2020-10-29 12:08:28,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:08:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 137 transitions. [2020-10-29 12:08:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-29 12:08:28,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:28,946 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:28,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:08:28,946 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:28,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:28,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1520767951, now seen corresponding path program 5 times [2020-10-29 12:08:28,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:28,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095348258] [2020-10-29 12:08:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:29,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:31,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:31,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-29 12:08:34,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:34,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:34,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:34,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:34,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:34,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:34,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:39,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-29 12:08:39,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:08:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 12:08:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:39,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-29 12:08:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:39,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:39,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:44,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:08:44,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:08:44,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:08:44,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:44,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 12:08:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 12:08:44,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:44,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:44,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:08:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:49,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:08:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:49,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:49,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-29 12:08:49,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:08:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:49,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:49,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:49,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:49,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:49,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:49,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:49,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:49,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:49,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:49,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:49,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:49,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:08:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:49,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:54,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:08:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:54,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:54,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:54,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:08:59,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:08:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:59,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:08:59,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:59,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:59,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:59,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:59,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:59,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:59,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:59,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:59,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 12:08:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:59,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 12:08:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:59,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:08:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:59,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:59,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:59,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:59,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:59,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:59,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 147 proven. 305 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-10-29 12:08:59,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095348258] [2020-10-29 12:08:59,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:59,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:08:59,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627992653] [2020-10-29 12:08:59,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:08:59,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:59,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:08:59,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:08:59,885 INFO L87 Difference]: Start difference. First operand 103 states and 137 transitions. Second operand 17 states. [2020-10-29 12:09:01,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:01,747 INFO L93 Difference]: Finished difference Result 273 states and 445 transitions. [2020-10-29 12:09:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 12:09:01,748 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 207 [2020-10-29 12:09:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:01,751 INFO L225 Difference]: With dead ends: 273 [2020-10-29 12:09:01,751 INFO L226 Difference]: Without dead ends: 160 [2020-10-29 12:09:01,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=235, Invalid=1171, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 12:09:01,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-29 12:09:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 138. [2020-10-29 12:09:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-29 12:09:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 197 transitions. [2020-10-29 12:09:01,781 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 197 transitions. Word has length 207 [2020-10-29 12:09:01,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:01,781 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 197 transitions. [2020-10-29 12:09:01,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:09:01,781 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 197 transitions. [2020-10-29 12:09:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-10-29 12:09:01,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:01,791 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 29, 29, 28, 23, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:09:01,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:09:01,792 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:01,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:01,793 INFO L82 PathProgramCache]: Analyzing trace with hash -490465171, now seen corresponding path program 6 times [2020-10-29 12:09:01,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:01,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32891391] [2020-10-29 12:09:01,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:02,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:03,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:03,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:07,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 572 [2020-10-29 12:09:07,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:09:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5102 [2020-10-29 12:09:07,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:07,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:09:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:09:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-10-29 12:09:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:07,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:07,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:07,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:07,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:07,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:12,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 556 [2020-10-29 12:09:12,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:09:12,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-29 12:09:12,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:12,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:12,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:09:12,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:09:12,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-10-29 12:09:12,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:12,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:12,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:13,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:17,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-29 12:09:17,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:09:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:09:17,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:17,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:09:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:09:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:17,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:17,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:19,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:20,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:21,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:22,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 12:09:22,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-29 12:09:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:09:22,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:22,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:09:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:09:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:09:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:22,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:22,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking...