/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_20-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:05:06,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:05:06,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:05:06,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:05:06,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:05:06,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:05:06,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:05:06,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:05:06,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:05:06,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:05:06,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:05:06,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:05:06,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:05:06,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:05:06,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:05:06,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:05:06,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:05:06,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:05:06,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:05:06,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:05:06,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:05:06,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:05:06,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:05:06,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:05:06,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:05:06,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:05:06,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:05:06,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:05:06,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:05:06,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:05:06,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:05:06,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:05:06,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:05:06,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:05:06,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:05:06,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:05:06,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:05:06,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:05:06,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:05:06,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:05:06,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:05:06,486 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 12:05:06,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:05:06,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:05:06,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:05:06,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:05:06,544 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:05:06,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:05:06,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:05:06,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:05:06,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:05:06,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:05:06,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:05:06,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:05:06,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:05:06,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:05:06,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:05:06,547 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:05:06,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:05:06,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:05:06,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:05:06,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:05:06,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:05:06,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:05:06,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:05:06,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:05:06,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:05:06,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:05:06,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:05:06,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:05:06,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:05:06,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:05:06,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:05:06,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:05:06,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:05:06,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:05:06,963 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:05:06,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c [2020-10-29 12:05:07,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36c7629b7/d1c08b3066894624993d40ed700406bc/FLAG6a1dac96a [2020-10-29 12:05:07,659 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:05:07,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_20-1.c [2020-10-29 12:05:07,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36c7629b7/d1c08b3066894624993d40ed700406bc/FLAG6a1dac96a [2020-10-29 12:05:08,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36c7629b7/d1c08b3066894624993d40ed700406bc [2020-10-29 12:05:08,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:05:08,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:05:08,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:05:08,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:05:08,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:05:08,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d2bd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08, skipping insertion in model container [2020-10-29 12:05:08,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:05:08,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:05:08,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:05:08,275 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:05:08,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:05:08,306 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:05:08,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08 WrapperNode [2020-10-29 12:05:08,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:05:08,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:05:08,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:05:08,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:05:08,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (1/1) ... [2020-10-29 12:05:08,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:05:08,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:05:08,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:05:08,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:05:08,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (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 12:05:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:05:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:05:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:05:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:05:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:05:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:05:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:05:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:05:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:05:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:05:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:05:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:05:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:05:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:05:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:05:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:05:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:05:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:05:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:05:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:05:09,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:05:09,008 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:05:09,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:09 BoogieIcfgContainer [2020-10-29 12:05:09,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:05:09,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:05:09,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:05:09,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:05:09,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:05:08" (1/3) ... [2020-10-29 12:05:09,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c1e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:05:09, skipping insertion in model container [2020-10-29 12:05:09,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:08" (2/3) ... [2020-10-29 12:05:09,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c1e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:05:09, skipping insertion in model container [2020-10-29 12:05:09,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:09" (3/3) ... [2020-10-29 12:05:09,020 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_20-1.c [2020-10-29 12:05:09,044 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:05:09,050 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:05:09,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:05:09,095 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:05:09,095 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:05:09,095 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:05:09,096 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:05:09,096 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:05:09,096 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:05:09,096 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:05:09,096 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:05:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:05:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:05:09,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:09,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:09,125 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:09,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:09,133 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:05:09,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:09,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192157447] [2020-10-29 12:05:09,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:09,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:05:10,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 749 [2020-10-29 12:05:10,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:05:10,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:10,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:05:10,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:10,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:10,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:10,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:05:10,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:10,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:10,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:05:10,334 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 12:05:10,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192157447] [2020-10-29 12:05:10,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:05:10,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:05:10,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550586446] [2020-10-29 12:05:10,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:05:10,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:10,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:05:10,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:05:10,367 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:05:10,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:10,709 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:05:10,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:05:10,712 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:05:10,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:10,722 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:05:10,722 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:05:10,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:05:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:05:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:05:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:05:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:05:10,781 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:05:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:10,781 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:05:10,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:05:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:05:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:05:10,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:10,785 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 12:05:10,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:05:10,785 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:10,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:10,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:05:10,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:10,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038713112] [2020-10-29 12:05:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:13,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:05:13,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:05:13,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2512 [2020-10-29 12:05:13,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:13,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:05:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:13,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:13,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:13,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:05:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:13,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:13,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:13,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:13,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:13,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:13,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:13,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-29 12:05:13,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:13,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:13,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:13,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:13,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:13,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:13,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:05:13,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:13,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:13,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:13,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:13,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:13,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:13,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:13,735 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 12:05:13,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038713112] [2020-10-29 12:05:13,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:13,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:05:13,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307719379] [2020-10-29 12:05:13,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:13,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:13,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:13,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:13,743 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:05:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:14,119 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-29 12:05:14,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:05:14,120 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:05:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:14,122 INFO L225 Difference]: With dead ends: 44 [2020-10-29 12:05:14,123 INFO L226 Difference]: Without dead ends: 39 [2020-10-29 12:05:14,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:05:14,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-29 12:05:14,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-29 12:05:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:05:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:05:14,137 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-29 12:05:14,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:14,138 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:05:14,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:05:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:05:14,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:14,143 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 12:05:14,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:05:14,144 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:14,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:05:14,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:14,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337808572] [2020-10-29 12:05:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:14,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:15,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:05:15,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1337 [2020-10-29 12:05:15,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:15,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:05:15,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:15,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:15,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:05:15,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:15,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:15,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 12:05:15,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:15,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:15,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:15,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:15,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-29 12:05:15,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:15,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:15,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:15,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:15,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:15,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:15,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:15,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:15,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:15,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:05:15,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:15,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:15,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:05:15,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:15,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:15,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:15,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:15,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:15,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:15,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:15,796 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 12:05:15,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337808572] [2020-10-29 12:05:15,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:15,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:05:15,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430489096] [2020-10-29 12:05:15,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:15,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:15,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:15,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:15,800 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-29 12:05:16,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:16,148 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2020-10-29 12:05:16,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:05:16,149 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:05:16,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:16,151 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:05:16,151 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:05:16,152 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 12:05:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:05:16,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2020-10-29 12:05:16,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 12:05:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-29 12:05:16,165 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 29 [2020-10-29 12:05:16,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:16,165 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-29 12:05:16,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-29 12:05:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 12:05:16,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:16,168 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:16,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:05:16,168 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:16,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:16,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-29 12:05:16,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:16,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245272863] [2020-10-29 12:05:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:16,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:18,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:21,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 12:05:21,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:05:21,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:05:21,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:21,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 12:05:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:21,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:21,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:21,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:21,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:21,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:21,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:21,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:23,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:05:23,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:05:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2029 [2020-10-29 12:05:23,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:23,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:23,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:05:23,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 12:05:23,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:23,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:23,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:23,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 12:05:23,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:23,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:23,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:23,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:23,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:23,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:23,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:23,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:23,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:23,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:23,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:23,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:23,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:23,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:23,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:23,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:23,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:23,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:23,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:05:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:23,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:23,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:23,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:23,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 12:05:23,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245272863] [2020-10-29 12:05:23,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:23,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:05:23,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049128856] [2020-10-29 12:05:23,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:23,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:23,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:23,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:23,469 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-29 12:05:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:23,916 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2020-10-29 12:05:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:05:23,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-29 12:05:23,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:23,920 INFO L225 Difference]: With dead ends: 79 [2020-10-29 12:05:23,920 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 12:05:23,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 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 12:05:23,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 12:05:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2020-10-29 12:05:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-29 12:05:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2020-10-29 12:05:23,942 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 41 [2020-10-29 12:05:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:23,942 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2020-10-29 12:05:23,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2020-10-29 12:05:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 12:05:23,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:23,947 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:23,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:05:23,948 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:23,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:23,948 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-29 12:05:23,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:23,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024683523] [2020-10-29 12:05:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:23,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:24,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:24,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:24,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:24,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:25,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:28,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:28,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:05:28,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:05:28,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:05:28,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:28,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 12:05:28,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 12:05:29,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:29,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:29,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:29,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:29,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:29,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:30,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:05:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:05:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1216 [2020-10-29 12:05:30,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:30,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:05:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:30,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:30,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:30,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:30,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 12:05:30,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:30,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:30,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:30,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:30,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:30,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:30,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:30,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:30,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:30,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:30,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:05:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:30,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:30,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:30,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:30,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:05:30,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:30,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:30,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:30,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:05:30,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 12:05:30,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024683523] [2020-10-29 12:05:30,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:30,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:05:30,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653363845] [2020-10-29 12:05:30,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:05:30,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:30,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:05:30,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:05:30,480 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand 8 states. [2020-10-29 12:05:30,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:30,851 INFO L93 Difference]: Finished difference Result 54 states and 69 transitions. [2020-10-29 12:05:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:05:30,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-10-29 12:05:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:30,853 INFO L225 Difference]: With dead ends: 54 [2020-10-29 12:05:30,853 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 12:05:30,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 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 12:05:30,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 12:05:30,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2020-10-29 12:05:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-29 12:05:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2020-10-29 12:05:30,876 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 42 [2020-10-29 12:05:30,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:30,879 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2020-10-29 12:05:30,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:05:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2020-10-29 12:05:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:05:30,883 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:30,883 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 12:05:30,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:05:30,884 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:30,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:30,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:05:30,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:30,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953764053] [2020-10-29 12:05:30,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:30,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:05:35,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:05:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:05:35,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:35,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:05:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:35,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:35,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:35,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:35,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:35,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:35,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:35,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:35,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:35,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:35,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:35,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:05:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:05:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:05:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:40,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:05:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:41,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:41,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:05:41,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:41,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:41,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:41,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:41,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:41,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:41,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:41,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:41,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:41,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:41,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:41,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:05:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:41,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:41,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:41,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:05:41,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:41,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:05:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:41,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:41,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:41,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:41,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:41,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:41,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:41,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:41,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:41,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:41,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:41,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:41,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:41,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 12:05:41,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953764053] [2020-10-29 12:05:41,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:41,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:05:41,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506726896] [2020-10-29 12:05:41,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:05:41,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:41,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:05:41,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:05:41,268 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand 10 states. [2020-10-29 12:05:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:41,763 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2020-10-29 12:05:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:05:41,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-29 12:05:41,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:41,765 INFO L225 Difference]: With dead ends: 60 [2020-10-29 12:05:41,765 INFO L226 Difference]: Without dead ends: 55 [2020-10-29 12:05:41,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:05:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-29 12:05:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2020-10-29 12:05:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-29 12:05:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-10-29 12:05:41,779 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 54 [2020-10-29 12:05:41,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:41,780 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-10-29 12:05:41,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:05:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-10-29 12:05:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 12:05:41,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:41,781 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 12:05:41,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:05:41,782 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:41,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:41,782 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-29 12:05:41,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:41,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423364929] [2020-10-29 12:05:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:45,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:45,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:46,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:05:46,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:05:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:05:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:46,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 12:05:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:46,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:46,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:46,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:46,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:46,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:46,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:46,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:46,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:47,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:47,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:47,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:51,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:05:51,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:05:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:05:51,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:51,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:05:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:51,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:52,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:52,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-29 12:05:52,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:52,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:05:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:52,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:52,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:05:52,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:52,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:52,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:05:52,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:52,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:52,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:52,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:52,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:52,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:05:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:52,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:05:52,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:52,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:52,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:52,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:52,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:52,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:52,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:52,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:52,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:52,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:52,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:52,141 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 12:05:52,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423364929] [2020-10-29 12:05:52,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:52,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:05:52,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134181561] [2020-10-29 12:05:52,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:05:52,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:52,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:05:52,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:05:52,149 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 9 states. [2020-10-29 12:05:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:52,682 INFO L93 Difference]: Finished difference Result 68 states and 103 transitions. [2020-10-29 12:05:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:05:52,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-29 12:05:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:52,684 INFO L225 Difference]: With dead ends: 68 [2020-10-29 12:05:52,685 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 12:05:52,686 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 12:05:52,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 12:05:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2020-10-29 12:05:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 12:05:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-10-29 12:05:52,701 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 56 [2020-10-29 12:05:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:52,702 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-10-29 12:05:52,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:05:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-10-29 12:05:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-29 12:05:52,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:52,704 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:52,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:05:52,704 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:52,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:52,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2089696318, now seen corresponding path program 1 times [2020-10-29 12:05:52,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:52,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118283307] [2020-10-29 12:05:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:52,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:56,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:57,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 12:05:57,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:05:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:05:57,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:57,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:05:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:57,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:57,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:57,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:57,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:57,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:57,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:57,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:57,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:57,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:58,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:58,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:59,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:02,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:02,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:06:02,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:06:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:06:02,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:02,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:06:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:06:02,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:02,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:02,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:02,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:02,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:02,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:03,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:06:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-29 12:06:03,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:06:03,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:03,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:06:03,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:03,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:03,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:03,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:03,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:03,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:03,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:03,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:03,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:03,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:03,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:03,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:03,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:06:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:03,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 12:06:03,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:03,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:03,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:03,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:03,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:03,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:03,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:03,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-29 12:06:03,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118283307] [2020-10-29 12:06:03,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:03,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:06:03,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120771986] [2020-10-29 12:06:03,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:06:03,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:03,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:06:03,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:06:03,488 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 12 states. [2020-10-29 12:06:04,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:04,644 INFO L93 Difference]: Finished difference Result 123 states and 222 transitions. [2020-10-29 12:06:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:06:04,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 68 [2020-10-29 12:06:04,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:04,648 INFO L225 Difference]: With dead ends: 123 [2020-10-29 12:06:04,648 INFO L226 Difference]: Without dead ends: 68 [2020-10-29 12:06:04,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:06:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-29 12:06:04,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 60. [2020-10-29 12:06:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-29 12:06:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-10-29 12:06:04,670 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 68 [2020-10-29 12:06:04,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:04,670 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-10-29 12:06:04,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:06:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-10-29 12:06:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 12:06:04,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:04,672 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:04,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:06:04,673 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:04,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:04,674 INFO L82 PathProgramCache]: Analyzing trace with hash -2095812673, now seen corresponding path program 2 times [2020-10-29 12:06:04,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:04,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631488574] [2020-10-29 12:06:04,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 12:06:09,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:06:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:06:09,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:09,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:06:09,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:09,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:09,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:10,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:06:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:06:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:14,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:14,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:14,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:14,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:14,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:15,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:06:15,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:06:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:15,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:15,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:15,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:15,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:15,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:15,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:15,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:06:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:15,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 12:06:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:15,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:15,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:15,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:15,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:15,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:15,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:15,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 19 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-29 12:06:15,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631488574] [2020-10-29 12:06:15,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:15,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:06:15,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936821869] [2020-10-29 12:06:15,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:06:15,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:15,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:06:15,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:06:15,427 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 13 states. [2020-10-29 12:06:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:16,500 INFO L93 Difference]: Finished difference Result 144 states and 242 transitions. [2020-10-29 12:06:16,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:06:16,501 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 69 [2020-10-29 12:06:16,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:16,505 INFO L225 Difference]: With dead ends: 144 [2020-10-29 12:06:16,505 INFO L226 Difference]: Without dead ends: 90 [2020-10-29 12:06:16,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:06:16,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-29 12:06:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 60. [2020-10-29 12:06:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-29 12:06:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 80 transitions. [2020-10-29 12:06:16,524 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 80 transitions. Word has length 69 [2020-10-29 12:06:16,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:16,524 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 80 transitions. [2020-10-29 12:06:16,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:06:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-10-29 12:06:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 12:06:16,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:16,526 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:16,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:06:16,527 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:16,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-29 12:06:16,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:16,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592532799] [2020-10-29 12:06:16,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:21,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:06:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:06:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:21,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:21,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:21,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:21,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:22,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:26,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 12:06:26,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 12:06:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:26,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-29 12:06:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:26,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:06:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:26,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:26,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:26,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:26,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:26,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:06:26,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:26,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:26,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:26,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:26,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:27,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:27,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:27,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:27,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:27,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:27,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:27,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:27,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:27,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:27,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:06:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:27,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:06:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-10-29 12:06:27,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:27,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:27,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:27,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:27,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:27,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:27,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:27,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:27,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:27,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:27,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:27,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 48 proven. 26 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-29 12:06:27,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592532799] [2020-10-29 12:06:27,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:27,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:06:27,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246599696] [2020-10-29 12:06:27,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:06:27,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:27,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:06:27,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:06:27,833 INFO L87 Difference]: Start difference. First operand 60 states and 80 transitions. Second operand 12 states. [2020-10-29 12:06:28,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:28,820 INFO L93 Difference]: Finished difference Result 153 states and 241 transitions. [2020-10-29 12:06:28,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:06:28,821 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-29 12:06:28,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:28,826 INFO L225 Difference]: With dead ends: 153 [2020-10-29 12:06:28,827 INFO L226 Difference]: Without dead ends: 99 [2020-10-29 12:06:28,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:06:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-29 12:06:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 83. [2020-10-29 12:06:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-29 12:06:28,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2020-10-29 12:06:28,864 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 84 [2020-10-29 12:06:28,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:28,865 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2020-10-29 12:06:28,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:06:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-10-29 12:06:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-29 12:06:28,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:28,870 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:28,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:06:28,873 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:28,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:28,875 INFO L82 PathProgramCache]: Analyzing trace with hash -992515522, now seen corresponding path program 1 times [2020-10-29 12:06:28,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:28,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205915956] [2020-10-29 12:06:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:28,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:29,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:30,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:30,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 12:06:33,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:06:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:06:33,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:06:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:06:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 12:06:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:33,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:33,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:33,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:33,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:36,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:06:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:43,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:06:43,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:06:43,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:06:43,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:43,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:06:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:06:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:44,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:44,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:44,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:44,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:44,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:48,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:06:48,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4227 [2020-10-29 12:06:48,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:48,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:48,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:48,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:48,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:48,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:48,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:48,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:06:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:48,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:48,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:48,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:06:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:48,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:06:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-29 12:06:48,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:06:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:48,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:06:48,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:48,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:48,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:48,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:48,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:48,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:48,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:48,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:48,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 69 proven. 82 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-29 12:06:49,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205915956] [2020-10-29 12:06:49,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:49,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:06:49,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944193611] [2020-10-29 12:06:49,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:06:49,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:49,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:06:49,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:06:49,027 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 15 states. [2020-10-29 12:06:50,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:50,404 INFO L93 Difference]: Finished difference Result 197 states and 315 transitions. [2020-10-29 12:06:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:06:50,406 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 109 [2020-10-29 12:06:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:50,408 INFO L225 Difference]: With dead ends: 197 [2020-10-29 12:06:50,408 INFO L226 Difference]: Without dead ends: 115 [2020-10-29 12:06:50,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=159, Invalid=711, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:06:50,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-29 12:06:50,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 90. [2020-10-29 12:06:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-29 12:06:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2020-10-29 12:06:50,443 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 109 [2020-10-29 12:06:50,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:50,443 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2020-10-29 12:06:50,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:06:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2020-10-29 12:06:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 12:06:50,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:50,445 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:50,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:06:50,445 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:50,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:50,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1406199094, now seen corresponding path program 2 times [2020-10-29 12:06:50,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:50,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731612713] [2020-10-29 12:06:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 12:06:55,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:06:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:06:55,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:55,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:55,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:55,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:55,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:07:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:07:00,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:07:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:00,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:00,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:00,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:00,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:00,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:00,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:00,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:00,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:01,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:01,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:01,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:01,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:01,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:01,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:01,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:01,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:01,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:01,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:01,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:01,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 19 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-29 12:07:01,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731612713] [2020-10-29 12:07:01,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:01,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:07:01,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977439726] [2020-10-29 12:07:01,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:07:01,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:01,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:07:01,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:07:01,040 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand 10 states. [2020-10-29 12:07:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:01,639 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-10-29 12:07:01,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:07:01,640 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-10-29 12:07:01,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:01,645 INFO L225 Difference]: With dead ends: 109 [2020-10-29 12:07:01,645 INFO L226 Difference]: Without dead ends: 104 [2020-10-29 12:07:01,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 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 12:07:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-29 12:07:01,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96. [2020-10-29 12:07:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-29 12:07:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2020-10-29 12:07:01,680 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 70 [2020-10-29 12:07:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:01,681 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2020-10-29 12:07:01,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:07:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2020-10-29 12:07:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 12:07:01,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:01,685 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:01,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:07:01,686 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:01,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:01,686 INFO L82 PathProgramCache]: Analyzing trace with hash -333069269, now seen corresponding path program 3 times [2020-10-29 12:07:01,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:01,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206146003] [2020-10-29 12:07:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:06,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-29 12:07:06,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:07:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:07:06,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:06,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:07:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 12:07:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:06,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:06,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:06,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:06,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:11,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-29 12:07:11,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:07:11,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:11,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:14,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 12:07:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1108 [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:07:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:17,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:17,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:17,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:17,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:17,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:17,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:17,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:17,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:17,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:17,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:17,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:17,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:17,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:07:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:07:23,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:07:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:07:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:23,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:23,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:23,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:23,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:23,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:23,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:23,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:23,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:23,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:23,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:23,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 12:07:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:23,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:07:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-29 12:07:23,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 12:07:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:23,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 12:07:23,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:23,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:24,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:24,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:24,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:24,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:24,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:24,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:24,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:24,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:24,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:24,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 152 proven. 87 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2020-10-29 12:07:24,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206146003] [2020-10-29 12:07:24,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:24,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:07:24,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005153683] [2020-10-29 12:07:24,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:07:24,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:24,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:07:24,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:07:24,132 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand 17 states. [2020-10-29 12:07:25,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:25,765 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2020-10-29 12:07:25,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:07:25,766 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 136 [2020-10-29 12:07:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:25,768 INFO L225 Difference]: With dead ends: 175 [2020-10-29 12:07:25,768 INFO L226 Difference]: Without dead ends: 78 [2020-10-29 12:07:25,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=191, Invalid=931, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 12:07:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-29 12:07:25,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-10-29 12:07:25,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-29 12:07:25,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2020-10-29 12:07:25,781 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 136 [2020-10-29 12:07:25,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:25,781 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2020-10-29 12:07:25,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:07:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2020-10-29 12:07:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 12:07:25,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:25,784 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:25,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:07:25,784 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:25,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:25,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1001167155, now seen corresponding path program 4 times [2020-10-29 12:07:25,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:25,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584431826] [2020-10-29 12:07:25,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:25,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:07:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:30,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:34,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:35,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 12:07:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:35,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:35,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:07:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:40,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:07:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:40,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:40,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:41,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1544 [2020-10-29 12:07:42,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:42,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 12:07:42,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:42,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:42,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:42,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:42,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:42,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:42,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:42,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:42,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:42,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:42,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:42,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:42,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:42,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:07:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4572 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:07:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:47,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:47,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:07:47,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:47,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:47,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:47,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:47,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:47,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:47,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:47,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:47,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:47,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:07:47,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:47,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:47,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:47,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:47,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:47,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:47,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:47,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:47,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:47,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:47,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:47,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:47,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 101 proven. 104 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-10-29 12:07:47,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584431826] [2020-10-29 12:07:47,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:47,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:07:47,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640623692] [2020-10-29 12:07:47,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:07:47,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:47,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:07:47,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:07:47,462 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand 13 states. [2020-10-29 12:07:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:48,431 INFO L93 Difference]: Finished difference Result 161 states and 244 transitions. [2020-10-29 12:07:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:07:48,432 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-29 12:07:48,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:48,434 INFO L225 Difference]: With dead ends: 161 [2020-10-29 12:07:48,435 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 12:07:48,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2020-10-29 12:07:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 12:07:48,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-29 12:07:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-29 12:07:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2020-10-29 12:07:48,451 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 138 [2020-10-29 12:07:48,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:48,451 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2020-10-29 12:07:48,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:07:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2020-10-29 12:07:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-29 12:07:48,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:48,455 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:48,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:07:48,455 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash -695303513, now seen corresponding path program 5 times [2020-10-29 12:07:48,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:48,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487993647] [2020-10-29 12:07:48,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:48,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:48,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:53,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:07:53,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:53,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:53,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:53,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:53,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:53,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:53,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:54,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 12:07:58,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-29 12:07:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:08:03,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:08:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:03,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:08:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 12:08:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:08:03,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:03,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:03,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:03,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:03,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:03,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:03,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:03,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:03,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:08:03,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:03,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:03,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:03,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:03,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:03,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:03,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:03,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:03,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:03,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:03,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:03,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:03,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:03,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:08:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:03,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:04,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-29 12:08:04,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:08:04,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:04,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:04,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 12:08:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:08:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:04,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:04,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:04,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:04,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:04,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:04,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:04,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:04,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:04,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 97 proven. 120 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2020-10-29 12:08:04,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487993647] [2020-10-29 12:08:04,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:04,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:08:04,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125832608] [2020-10-29 12:08:04,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:08:04,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:04,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:08:04,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:08:04,283 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand 10 states. [2020-10-29 12:08:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:04,873 INFO L93 Difference]: Finished difference Result 109 states and 160 transitions. [2020-10-29 12:08:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:08:04,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-10-29 12:08:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:04,876 INFO L225 Difference]: With dead ends: 109 [2020-10-29 12:08:04,876 INFO L226 Difference]: Without dead ends: 104 [2020-10-29 12:08:04,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:08:04,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-29 12:08:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2020-10-29 12:08:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-29 12:08:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 143 transitions. [2020-10-29 12:08:04,891 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 143 transitions. Word has length 179 [2020-10-29 12:08:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:04,892 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 143 transitions. [2020-10-29 12:08:04,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:08:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2020-10-29 12:08:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-29 12:08:04,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:04,896 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 12:08:04,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:08:04,897 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:04,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1785340572, now seen corresponding path program 6 times [2020-10-29 12:08:04,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:04,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115220422] [2020-10-29 12:08:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:09,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 12:08:09,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-29 12:08:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 12:08:09,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:09,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:08:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 12:08:09,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:09,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:10,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:10,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:10,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:10,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:10,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:10,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:10,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:15,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-29 12:08:15,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:08:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:08:15,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:15,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 12:08:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:15,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:15,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:08:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:08:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:08:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:20,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 12:08:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:20,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:21,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:25,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:25,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 12:08:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:08:25,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:25,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:08:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:25,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:25,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:26,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:08:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:26,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:26,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:26,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:26,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:26,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:26,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:26,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:26,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:26,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:26,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:26,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:26,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:26,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:26,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:26,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:26,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:26,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:26,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:26,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:26,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:26,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:26,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:26,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:26,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:08:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:26,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4086 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:08:30,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:30,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:30,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:30,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:30,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:30,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:30,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:30,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:30,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 12:08:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:30,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:08:30,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-29 12:08:30,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:30,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:30,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:30,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:30,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:30,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:30,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:30,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:30,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:30,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:30,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 151 proven. 239 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2020-10-29 12:08:31,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115220422] [2020-10-29 12:08:31,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:31,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:08:31,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567758026] [2020-10-29 12:08:31,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:08:31,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:31,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:08:31,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:08:31,009 INFO L87 Difference]: Start difference. First operand 98 states and 143 transitions. Second operand 12 states. [2020-10-29 12:08:31,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:31,931 INFO L93 Difference]: Finished difference Result 207 states and 356 transitions. [2020-10-29 12:08:31,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:08:31,932 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2020-10-29 12:08:31,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:31,936 INFO L225 Difference]: With dead ends: 207 [2020-10-29 12:08:31,937 INFO L226 Difference]: Without dead ends: 111 [2020-10-29 12:08:31,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:08:31,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-29 12:08:31,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-29 12:08:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-29 12:08:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 167 transitions. [2020-10-29 12:08:31,960 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 167 transitions. Word has length 206 [2020-10-29 12:08:31,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:31,961 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 167 transitions. [2020-10-29 12:08:31,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:08:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 167 transitions. [2020-10-29 12:08:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-29 12:08:31,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:31,966 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 15, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:31,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:08:31,966 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:31,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:31,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1908696704, now seen corresponding path program 7 times [2020-10-29 12:08:31,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:31,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396996732] [2020-10-29 12:08:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:32,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:36,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:37,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-29 12:08:37,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:08:37,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:37,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:08:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 12:08:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:37,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:37,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:37,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:37,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:37,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:37,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:37,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:38,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:42,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 12:08:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:42,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:47,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-29 12:08:47,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 12:08:47,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:47,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:08:52,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:08:52,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 12:08:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:08:55,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:08:55,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3643 [2020-10-29 12:08:55,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:08:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:55,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:08:55,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:55,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:55,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:55,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:55,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:55,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:55,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:55,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:55,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:08:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:55,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:08:55,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:55,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:55,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:55,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:55,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:55,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:55,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:55,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:08:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:55,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:55,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:55,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:55,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:08:55,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:55,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:55,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:56,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:56,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:56,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:56,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:08:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:56,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4820 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:09:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:00,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:09:00,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:09:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:00,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:00,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:00,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:00,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:00,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:00,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:00,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:00,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:00,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:00,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:00,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:00,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:00,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:00,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:00,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:00,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:00,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:00,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:09:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:09:00,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:00,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:09:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:09:01,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:01,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:09:01,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 12:09:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-29 12:09:01,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:01,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:09:01,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:01,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:01,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:01,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:01,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:01,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:01,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:01,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:01,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:01,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:09:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:01,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:09:01,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:01,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:01,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:01,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:01,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:01,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:01,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:01,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:01,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:01,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:01,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:01,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:01,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 246 proven. 442 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2020-10-29 12:09:01,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396996732] [2020-10-29 12:09:01,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:01,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:09:01,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733543773] [2020-10-29 12:09:01,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:09:01,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:01,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:09:01,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:09:01,411 INFO L87 Difference]: Start difference. First operand 111 states and 167 transitions. Second operand 14 states.