/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:32:22,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:32:22,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:32:22,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:32:22,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:32:22,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:32:22,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:32:22,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:32:22,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:32:22,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:32:22,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:32:22,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:32:22,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:32:22,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:32:22,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:32:22,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:32:22,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:32:22,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:32:22,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:32:22,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:32:22,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:32:22,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:32:22,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:32:22,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:32:22,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:32:22,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:32:22,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:32:22,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:32:22,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:32:22,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-27 22:32:22,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:32:22,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:32:22,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:32:22,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 22:32:22,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:32:22,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:32:22,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:32:22,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:32:22,395 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:32:22,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:32:22,395 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:32:22,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:32:22,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:32:22,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:32:22,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:32:22,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:32:22,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:32:22,398 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:32:22,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:32:22,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:32:22,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:32:22,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:32:22,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:32:22,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:32:22,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:32:22,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:32:22,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:32:22,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:32:22,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:32:22,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:32:22,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:32:22,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:32:22,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:32:22,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:32:22,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:32:22,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:32:22,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:32:22,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:32:22,888 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:32:22,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-10-27 22:32:22,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9371e32e/ad45b1e8a4624728aa6c678068fe4cc7/FLAG631513fdb [2020-10-27 22:32:23,635 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:32:23,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-10-27 22:32:23,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9371e32e/ad45b1e8a4624728aa6c678068fe4cc7/FLAG631513fdb [2020-10-27 22:32:23,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9371e32e/ad45b1e8a4624728aa6c678068fe4cc7 [2020-10-27 22:32:24,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:32:24,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:32:24,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:32:24,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:32:24,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:32:24,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a23255c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24, skipping insertion in model container [2020-10-27 22:32:24,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:32:24,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:32:24,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:32:24,243 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:32:24,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:32:24,292 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:32:24,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24 WrapperNode [2020-10-27 22:32:24,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:32:24,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:32:24,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:32:24,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:32:24,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... [2020-10-27 22:32:24,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:32:24,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:32:24,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:32:24,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:32:24,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:32:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:32:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:32:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:32:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 22:32:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 22:32:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:32:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:32:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:32:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:32:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:32:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:32:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 22:32:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 22:32:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:32:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:32:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:32:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:32:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:32:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:32:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:32:25,064 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:32:25,064 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:32:25,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:32:25 BoogieIcfgContainer [2020-10-27 22:32:25,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:32:25,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:32:25,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:32:25,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:32:25,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:32:24" (1/3) ... [2020-10-27 22:32:25,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6949e3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:32:25, skipping insertion in model container [2020-10-27 22:32:25,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:32:24" (2/3) ... [2020-10-27 22:32:25,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6949e3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:32:25, skipping insertion in model container [2020-10-27 22:32:25,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:32:25" (3/3) ... [2020-10-27 22:32:25,080 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-10-27 22:32:25,094 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:32:25,100 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:32:25,115 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:32:25,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:32:25,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:32:25,161 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:32:25,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:32:25,161 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:32:25,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:32:25,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:32:25,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:32:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 22:32:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:32:25,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:25,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:25,198 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:25,204 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 22:32:25,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:25,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745840783] [2020-10-27 22:32:25,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:25,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:25,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:25,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:32:25,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-27 22:32:25,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:32:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:32:25,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:25,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:25,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:25,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:25,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:25,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:32:25,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:25,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:25,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:25,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:25,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:25,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:25,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:25,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:25,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:32:25,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:32:25,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745840783] [2020-10-27 22:32:25,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:32:25,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:32:25,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309298580] [2020-10-27 22:32:25,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:32:25,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:25,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:32:25,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:32:25,923 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 22:32:26,092 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-10-27 22:32:26,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:26,393 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 22:32:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:32:26,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:32:26,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:26,406 INFO L225 Difference]: With dead ends: 50 [2020-10-27 22:32:26,406 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:32:26,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:32:26,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:32:26,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:32:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:32:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:32:26,462 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 22:32:26,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:26,463 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:32:26,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:32:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:32:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:32:26,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:26,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:26,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:32:26,465 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:26,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:26,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 22:32:26,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:26,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206755443] [2020-10-27 22:32:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:26,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:26,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:26,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:32:26,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:26,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 22:32:26,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:32:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:26,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:26,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:26,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:26,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:26,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:32:26,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:26,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:26,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:26,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:26,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:32:26,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:32:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:32:26,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206755443] [2020-10-27 22:32:26,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:32:26,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:32:26,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081290202] [2020-10-27 22:32:26,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:32:26,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:26,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:32:26,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:32:26,798 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 22:32:27,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:27,122 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 22:32:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:32:27,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:32:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:27,124 INFO L225 Difference]: With dead ends: 39 [2020-10-27 22:32:27,125 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 22:32:27,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:32:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 22:32:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 22:32:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:32:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:32:27,138 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 22:32:27,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:27,139 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:32:27,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:32:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:32:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:32:27,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:27,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:27,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:32:27,141 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:27,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:27,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 22:32:27,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:27,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431472052] [2020-10-27 22:32:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:27,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:27,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:32:27,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:32:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 635 [2020-10-27 22:32:27,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:32:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:32:27,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:27,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:27,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:27,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:27,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:32:27,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:27,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:27,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:27,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:27,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:27,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:32:27,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:32:27,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:32:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:27,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:27,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:27,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:32:27,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:27,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:32:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:27,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:27,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:27,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:27,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:27,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:27,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:32:27,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431472052] [2020-10-27 22:32:27,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:27,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:32:27,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518205238] [2020-10-27 22:32:27,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:32:27,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:27,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:32:27,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:32:27,946 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-10-27 22:32:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:28,276 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2020-10-27 22:32:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:32:28,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-27 22:32:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:28,279 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:32:28,279 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:32:28,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:32:28,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:32:28,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2020-10-27 22:32:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 22:32:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2020-10-27 22:32:28,290 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 28 [2020-10-27 22:32:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:28,291 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2020-10-27 22:32:28,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:32:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-10-27 22:32:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:32:28,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:28,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:28,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:32:28,293 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:28,294 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-27 22:32:28,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:28,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540176935] [2020-10-27 22:32:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:32:28,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-27 22:32:28,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:32:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:32:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:32:28,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 22:32:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:32:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:28,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:32:28,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:28,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:28,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:28,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:28,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:32:28,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540176935] [2020-10-27 22:32:28,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:32:28,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:32:28,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466094844] [2020-10-27 22:32:28,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:32:28,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:28,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:32:28,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:32:28,988 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 8 states. [2020-10-27 22:32:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:29,394 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-27 22:32:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 22:32:29,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-27 22:32:29,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:29,396 INFO L225 Difference]: With dead ends: 42 [2020-10-27 22:32:29,396 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 22:32:29,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:32:29,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 22:32:29,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-10-27 22:32:29,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 22:32:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2020-10-27 22:32:29,407 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 29 [2020-10-27 22:32:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:29,407 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2020-10-27 22:32:29,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:32:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2020-10-27 22:32:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:32:29,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:29,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:29,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:32:29,409 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:29,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:29,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 22:32:29,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:29,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632151131] [2020-10-27 22:32:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:32:29,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:32:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-10-27 22:32:29,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:32:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:32:29,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:29,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:29,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:29,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:32:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:29,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:29,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:29,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:30,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:32:30,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:32:30,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:30,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:32:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:30,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:30,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:30,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:32:30,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:30,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:32:30,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:30,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:30,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:32:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:32:30,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632151131] [2020-10-27 22:32:30,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:30,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:32:30,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583567808] [2020-10-27 22:32:30,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:32:30,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:30,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:32:30,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:32:30,124 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand 8 states. [2020-10-27 22:32:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:30,492 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2020-10-27 22:32:30,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:32:30,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 22:32:30,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:30,499 INFO L225 Difference]: With dead ends: 70 [2020-10-27 22:32:30,500 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 22:32:30,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:32:30,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 22:32:30,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 22:32:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:32:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2020-10-27 22:32:30,515 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 30 [2020-10-27 22:32:30,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:30,516 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-27 22:32:30,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:32:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-10-27 22:32:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 22:32:30,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:30,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:30,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:32:30,519 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:30,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:30,520 INFO L82 PathProgramCache]: Analyzing trace with hash -388953478, now seen corresponding path program 1 times [2020-10-27 22:32:30,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:30,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139064788] [2020-10-27 22:32:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:30,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:31,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:34,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 22:32:34,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:32:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4245 [2020-10-27 22:32:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 22:32:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:34,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:34,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:34,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:34,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:32:34,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:32:34,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:34,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:35,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:32:35,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:32:35,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-27 22:32:35,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:32:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:32:35,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:35,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:35,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:32:35,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 22:32:35,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:32:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:35,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:35,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:35,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:35,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:35,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:32:35,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:35,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:35,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:32:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:35,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:35,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:35,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:35,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:35,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:32:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:35,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:35,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:35,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:32:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:32:35,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139064788] [2020-10-27 22:32:35,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:35,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:32:35,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931034012] [2020-10-27 22:32:35,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:32:35,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:35,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:32:35,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:32:35,474 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand 7 states. [2020-10-27 22:32:35,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:35,864 INFO L93 Difference]: Finished difference Result 73 states and 98 transitions. [2020-10-27 22:32:35,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:32:35,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-27 22:32:35,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:35,867 INFO L225 Difference]: With dead ends: 73 [2020-10-27 22:32:35,867 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:32:35,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:32:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:32:35,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:32:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:32:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-27 22:32:35,878 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 42 [2020-10-27 22:32:35,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:35,879 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-27 22:32:35,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:32:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-27 22:32:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:32:35,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:35,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:35,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:32:35,881 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:35,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:35,881 INFO L82 PathProgramCache]: Analyzing trace with hash 488187527, now seen corresponding path program 1 times [2020-10-27 22:32:35,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:35,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965328805] [2020-10-27 22:32:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:35,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:37,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:32:37,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:32:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1409 [2020-10-27 22:32:37,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:37,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:32:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:32:37,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:37,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:37,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:37,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:37,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:32:37,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:37,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:37,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:37,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:37,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:37,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:38,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:38,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:32:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-27 22:32:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:32:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:32:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:38,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:38,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:38,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:38,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 22:32:38,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:32:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:38,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:38,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:38,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:32:38,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:38,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:38,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:38,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:32:38,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:38,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:38,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:32:38,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:38,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:38,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:32:38,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:38,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 22:32:38,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965328805] [2020-10-27 22:32:38,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:38,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:32:38,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083099871] [2020-10-27 22:32:38,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:32:38,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:38,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:32:38,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:32:38,382 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 10 states. [2020-10-27 22:32:38,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:38,857 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-10-27 22:32:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:32:38,858 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-10-27 22:32:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:38,860 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:32:38,860 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 22:32:38,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:32:38,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 22:32:38,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2020-10-27 22:32:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:32:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 69 transitions. [2020-10-27 22:32:38,875 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 69 transitions. Word has length 43 [2020-10-27 22:32:38,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:38,875 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 69 transitions. [2020-10-27 22:32:38,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:32:38,876 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2020-10-27 22:32:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 22:32:38,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:38,880 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:38,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:32:38,881 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:38,881 INFO L82 PathProgramCache]: Analyzing trace with hash -751460799, now seen corresponding path program 1 times [2020-10-27 22:32:38,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:38,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340425368] [2020-10-27 22:32:38,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:39,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:40,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:43,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:32:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:43,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:43,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:43,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:32:43,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:43,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:43,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:44,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:32:47,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:32:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3134 [2020-10-27 22:32:47,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:32:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:32:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:32:47,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:32:47,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:32:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-27 22:32:47,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:32:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:47,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:32:47,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:47,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:32:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 22:32:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:32:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:47,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:47,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:32:47,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:32:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:47,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:47,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:32:47,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:47,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:47,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:47,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:32:47,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:32:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:32:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:47,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:32:47,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:32:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:32:47,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340425368] [2020-10-27 22:32:47,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:47,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:32:47,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481058946] [2020-10-27 22:32:47,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:32:47,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:47,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:32:47,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:32:47,810 INFO L87 Difference]: Start difference. First operand 50 states and 69 transitions. Second operand 10 states. [2020-10-27 22:32:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:48,386 INFO L93 Difference]: Finished difference Result 96 states and 148 transitions. [2020-10-27 22:32:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:32:48,388 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-27 22:32:48,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:48,393 INFO L225 Difference]: With dead ends: 96 [2020-10-27 22:32:48,393 INFO L226 Difference]: Without dead ends: 53 [2020-10-27 22:32:48,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:32:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-27 22:32:48,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2020-10-27 22:32:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 22:32:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2020-10-27 22:32:48,417 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 56 [2020-10-27 22:32:48,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:48,420 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2020-10-27 22:32:48,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:32:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-10-27 22:32:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:32:48,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:48,428 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:48,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:32:48,428 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:48,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:48,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2073039210, now seen corresponding path program 1 times [2020-10-27 22:32:48,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:48,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2680134] [2020-10-27 22:32:48,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:48,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:48,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:48,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:49,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:49,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:53,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:32:53,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:32:53,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:32:53,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:32:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:32:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:32:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:53,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:32:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:53,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:53,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:32:53,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:53,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:32:53,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:53,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:53,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:53,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:32:53,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:32:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:53,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:54,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:54,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:32:54,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:32:54,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-27 22:32:54,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:54,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:32:54,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:32:54,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:32:54,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:54,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:54,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:54,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:55,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:32:55,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:32:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1130 [2020-10-27 22:32:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:32:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:32:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:55,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:32:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:32:55,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:32:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:32:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:55,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:32:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:55,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:55,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:55,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:32:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:55,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:55,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:32:55,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:32:55,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:32:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:32:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:55,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:32:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:55,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:55,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:32:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:32:55,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:32:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:32:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:32:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:32:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:55,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:55,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:32:55,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:32:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:32:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 22:32:55,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2680134] [2020-10-27 22:32:55,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:32:55,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:32:55,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186769093] [2020-10-27 22:32:55,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:32:55,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:32:55,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:32:55,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:32:55,840 INFO L87 Difference]: Start difference. First operand 50 states and 68 transitions. Second operand 10 states. [2020-10-27 22:32:56,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:32:56,448 INFO L93 Difference]: Finished difference Result 111 states and 191 transitions. [2020-10-27 22:32:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:32:56,449 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-27 22:32:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:32:56,451 INFO L225 Difference]: With dead ends: 111 [2020-10-27 22:32:56,451 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 22:32:56,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:32:56,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 22:32:56,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-27 22:32:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 22:32:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 108 transitions. [2020-10-27 22:32:56,469 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 108 transitions. Word has length 57 [2020-10-27 22:32:56,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:32:56,469 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 108 transitions. [2020-10-27 22:32:56,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:32:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2020-10-27 22:32:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 22:32:56,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:32:56,472 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:32:56,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:32:56,477 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:32:56,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:32:56,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1740643205, now seen corresponding path program 2 times [2020-10-27 22:32:56,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:32:56,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990175670] [2020-10-27 22:32:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:32:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:32:56,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:58,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:58,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:32:59,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 22:33:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:33:01,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:33:01,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:33:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 22:33:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:33:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:01,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:01,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:01,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:01,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:01,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:01,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:01,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:01,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:01,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:01,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:02,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:06,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:33:06,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:33:06,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:33:06,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:33:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 22:33:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:33:06,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:06,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:06,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:06,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:06,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:06,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:06,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:06,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:06,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:06,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:06,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:06,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:06,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:06,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:06,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:06,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:06,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:06,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:06,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:06,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:06,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:06,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:06,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:06,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:06,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:06,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:06,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:06,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:06,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:06,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:06,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:06,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:06,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:06,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:06,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:06,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:06,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:08,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:08,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:33:08,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:33:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2266 [2020-10-27 22:33:08,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:33:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:33:08,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:33:08,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:08,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:08,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:09,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:09,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 22:33:09,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:33:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:09,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:09,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:09,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:33:09,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:09,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:09,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:09,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:09,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:09,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:09,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:09,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 22:33:09,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:33:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:33:09,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:33:09,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:09,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:09,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:09,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 85 proven. 23 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-10-27 22:33:09,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990175670] [2020-10-27 22:33:09,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:33:09,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:33:09,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36720844] [2020-10-27 22:33:09,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:33:09,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:33:09,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:33:09,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:33:09,366 INFO L87 Difference]: Start difference. First operand 68 states and 108 transitions. Second operand 12 states. [2020-10-27 22:33:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:33:10,226 INFO L93 Difference]: Finished difference Result 153 states and 314 transitions. [2020-10-27 22:33:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:33:10,227 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-27 22:33:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:33:10,230 INFO L225 Difference]: With dead ends: 153 [2020-10-27 22:33:10,230 INFO L226 Difference]: Without dead ends: 92 [2020-10-27 22:33:10,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:33:10,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-27 22:33:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 75. [2020-10-27 22:33:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-27 22:33:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 119 transitions. [2020-10-27 22:33:10,252 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 119 transitions. Word has length 97 [2020-10-27 22:33:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:33:10,252 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 119 transitions. [2020-10-27 22:33:10,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:33:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2020-10-27 22:33:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:33:10,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:33:10,255 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:33:10,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:33:10,255 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:33:10,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:33:10,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 3 times [2020-10-27 22:33:10,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:33:10,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776330510] [2020-10-27 22:33:10,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:33:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:10,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:10,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:11,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:11,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:11,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:12,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:12,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:15,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:33:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:15,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:15,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:15,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:15,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:15,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:16,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:19,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 22:33:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:33:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:33:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:20,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:20,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:20,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:20,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:20,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:33:21,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:21,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:21,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 22:33:21,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:33:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:21,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:21,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:33:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:21,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:21,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:21,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:21,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:21,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:21,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:21,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:21,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:21,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:33:21,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 55 proven. 34 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 22:33:21,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776330510] [2020-10-27 22:33:21,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:33:21,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:33:21,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842810186] [2020-10-27 22:33:21,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:33:21,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:33:21,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:33:21,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:33:21,672 INFO L87 Difference]: Start difference. First operand 75 states and 119 transitions. Second operand 14 states. [2020-10-27 22:33:23,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:33:23,000 INFO L93 Difference]: Finished difference Result 244 states and 610 transitions. [2020-10-27 22:33:23,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:33:23,001 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 84 [2020-10-27 22:33:23,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:33:23,005 INFO L225 Difference]: With dead ends: 244 [2020-10-27 22:33:23,005 INFO L226 Difference]: Without dead ends: 167 [2020-10-27 22:33:23,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2020-10-27 22:33:23,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-27 22:33:23,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 136. [2020-10-27 22:33:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-27 22:33:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 266 transitions. [2020-10-27 22:33:23,045 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 266 transitions. Word has length 84 [2020-10-27 22:33:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:33:23,046 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 266 transitions. [2020-10-27 22:33:23,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:33:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 266 transitions. [2020-10-27 22:33:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 22:33:23,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:33:23,050 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:33:23,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:33:23,050 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:33:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:33:23,051 INFO L82 PathProgramCache]: Analyzing trace with hash -158867177, now seen corresponding path program 1 times [2020-10-27 22:33:23,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:33:23,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891289108] [2020-10-27 22:33:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:33:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:23,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:23,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:24,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:26,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 22:33:28,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:33:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:28,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:28,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:28,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:33:28,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:28,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:31,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:32,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:32,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:32,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:32,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:33:33,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:33,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:33,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:33,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:33:33,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:33,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:33,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:33,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:33,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:33,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:33,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:33,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:33,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:33,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:33,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:33,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:33,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:33,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:33,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:33,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:33,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:33,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:33,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:33,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:33,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:33,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:33,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:33,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:33,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1263 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:33:34,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:33:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:34,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:34,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:34,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:33:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:33:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:33:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:34,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:34,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:33:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 81 proven. 11 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-27 22:33:34,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891289108] [2020-10-27 22:33:34,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:33:34,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:33:34,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702144509] [2020-10-27 22:33:34,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:33:34,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:33:34,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:33:34,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:33:34,802 INFO L87 Difference]: Start difference. First operand 136 states and 266 transitions. Second operand 10 states. [2020-10-27 22:33:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:33:35,359 INFO L93 Difference]: Finished difference Result 265 states and 643 transitions. [2020-10-27 22:33:35,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:33:35,365 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-10-27 22:33:35,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:33:35,371 INFO L225 Difference]: With dead ends: 265 [2020-10-27 22:33:35,371 INFO L226 Difference]: Without dead ends: 136 [2020-10-27 22:33:35,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:33:35,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-27 22:33:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-27 22:33:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-27 22:33:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 262 transitions. [2020-10-27 22:33:35,435 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 262 transitions. Word has length 97 [2020-10-27 22:33:35,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:33:35,436 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 262 transitions. [2020-10-27 22:33:35,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:33:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 262 transitions. [2020-10-27 22:33:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:33:35,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:33:35,442 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 5, 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] [2020-10-27 22:33:35,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:33:35,443 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:33:35,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:33:35,443 INFO L82 PathProgramCache]: Analyzing trace with hash 387636664, now seen corresponding path program 2 times [2020-10-27 22:33:35,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:33:35,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266340782] [2020-10-27 22:33:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:33:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:35,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:35,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:36,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:37,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:37,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:37,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:37,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:37,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:33:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:40,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:40,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:40,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:40,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:40,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:40,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:40,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:40,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:40,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:40,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:43,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:44,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:33:45,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 22:33:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:33:45,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:33:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 22:33:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:33:45,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:45,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:45,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:33:45,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:33:45,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:45,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:45,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:45,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:45,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:45,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:45,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:45,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:45,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:45,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:45,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:45,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:45,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:33:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:47,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:50,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:33:50,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:33:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:33:50,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:33:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:33:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:50,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:50,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:50,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2078 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:33:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:52,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:52,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:33:52,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:33:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:33:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:52,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:52,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:33:52,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:52,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:52,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:52,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:52,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:52,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:33:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:33:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:33:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:33:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:52,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:33:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:33:52,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:33:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:33:52,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:33:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:33:52,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:52,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:52,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:33:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:33:52,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:33:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:52,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:52,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:33:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:33:52,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:33:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 114 proven. 27 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-10-27 22:33:52,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266340782] [2020-10-27 22:33:52,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:33:52,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:33:52,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751116149] [2020-10-27 22:33:52,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:33:52,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:33:52,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:33:52,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:33:52,928 INFO L87 Difference]: Start difference. First operand 136 states and 262 transitions. Second operand 10 states. [2020-10-27 22:33:53,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:33:53,719 INFO L93 Difference]: Finished difference Result 221 states and 464 transitions. [2020-10-27 22:33:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:33:53,719 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-27 22:33:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:33:53,725 INFO L225 Difference]: With dead ends: 221 [2020-10-27 22:33:53,725 INFO L226 Difference]: Without dead ends: 87 [2020-10-27 22:33:53,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:33:53,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-27 22:33:53,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2020-10-27 22:33:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-27 22:33:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 117 transitions. [2020-10-27 22:33:53,755 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 117 transitions. Word has length 111 [2020-10-27 22:33:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:33:53,758 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 117 transitions. [2020-10-27 22:33:53,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:33:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 117 transitions. [2020-10-27 22:33:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:33:53,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:33:53,760 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:33:53,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:33:53,761 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:33:53,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:33:53,762 INFO L82 PathProgramCache]: Analyzing trace with hash -830238719, now seen corresponding path program 3 times [2020-10-27 22:33:53,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:33:53,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851520449] [2020-10-27 22:33:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:33:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:53,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:53,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:53,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:53,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:54,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 22:33:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:33:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:58,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:33:58,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:33:58,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:33:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:33:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:33:58,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:33:58,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:03,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:34:03,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:34:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:34:03,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:34:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:34:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 22:34:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:03,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:04,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:08,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:08,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:34:08,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:34:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:34:08,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:34:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:34:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:08,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:08,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:34:09,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:34:09,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:09,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:09,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:34:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:34:09,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:34:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:34:09,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:34:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:34:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:34:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:09,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:09,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 48 proven. 31 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-27 22:34:09,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851520449] [2020-10-27 22:34:09,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:34:09,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:34:09,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400575880] [2020-10-27 22:34:09,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:34:09,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:34:09,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:34:09,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:34:09,684 INFO L87 Difference]: Start difference. First operand 84 states and 117 transitions. Second operand 11 states. [2020-10-27 22:34:10,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:34:10,416 INFO L93 Difference]: Finished difference Result 176 states and 272 transitions. [2020-10-27 22:34:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:34:10,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-27 22:34:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:34:10,419 INFO L225 Difference]: With dead ends: 176 [2020-10-27 22:34:10,419 INFO L226 Difference]: Without dead ends: 99 [2020-10-27 22:34:10,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:34:10,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-27 22:34:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 80. [2020-10-27 22:34:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-27 22:34:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2020-10-27 22:34:10,432 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 84 [2020-10-27 22:34:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:34:10,432 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2020-10-27 22:34:10,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:34:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2020-10-27 22:34:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 22:34:10,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:34:10,434 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:34:10,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:34:10,435 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:34:10,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:34:10,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1689592245, now seen corresponding path program 4 times [2020-10-27 22:34:10,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:34:10,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341191652] [2020-10-27 22:34:10,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:34:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:10,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:11,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:11,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:11,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:11,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:12,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:12,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:12,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:12,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:12,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:14,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:14,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:34:15,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:34:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:15,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:34:15,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:15,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:34:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:15,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:15,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:18,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:34:20,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 22:34:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:20,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:20,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:21,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:25,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:25,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:34:25,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:34:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:34:25,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:34:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:34:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:25,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:25,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:25,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:25,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:25,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:34:25,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-27 22:34:25,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:25,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:34:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:34:25,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:25,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:25,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:25,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:26,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:34:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 22:34:26,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:34:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:34:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:26,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:26,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:34:26,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:34:26,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:34:26,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:26,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:26,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:26,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:26,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:34:26,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:26,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:34:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:26,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:34:26,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:34:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:26,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:26,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:26,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:26,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:26,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:26,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:26,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:26,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:26,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:34:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:26,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:26,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3527 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:34:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:29,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:29,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:29,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:29,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1144 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:34:30,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:30,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:30,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:34:30,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:30,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:30,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:30,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:34:30,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:34:30,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:34:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:34:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:30,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:34:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:30,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:30,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:30,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:30,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:30,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:34:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:30,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:30,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 106 proven. 122 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-27 22:34:30,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341191652] [2020-10-27 22:34:30,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:34:30,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 22:34:30,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148928534] [2020-10-27 22:34:30,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 22:34:30,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:34:30,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 22:34:30,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:34:30,974 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand 16 states. [2020-10-27 22:34:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:34:32,984 INFO L93 Difference]: Finished difference Result 178 states and 261 transitions. [2020-10-27 22:34:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 22:34:32,985 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 125 [2020-10-27 22:34:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:34:32,987 INFO L225 Difference]: With dead ends: 178 [2020-10-27 22:34:32,988 INFO L226 Difference]: Without dead ends: 101 [2020-10-27 22:34:32,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=239, Invalid=1167, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 22:34:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-27 22:34:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2020-10-27 22:34:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 22:34:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2020-10-27 22:34:33,002 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 125 [2020-10-27 22:34:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:34:33,002 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2020-10-27 22:34:33,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 22:34:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2020-10-27 22:34:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 22:34:33,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:34:33,004 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:34:33,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:34:33,005 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:34:33,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:34:33,005 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 5 times [2020-10-27 22:34:33,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:34:33,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126965666] [2020-10-27 22:34:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:34:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:33,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:33,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:33,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:33,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:34:38,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:34:38,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:34:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:34:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:34:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 22:34:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:34:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:38,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:34:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:38,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:38,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:39,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:43,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:34:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:43,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:43,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:43,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:43,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:34:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:34:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:48,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:48,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:48,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:48,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:34:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:34:48,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:34:48,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:34:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:34:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:34:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:34:48,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:34:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:34:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:34:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:34:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:48,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:48,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:48,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:48,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 50 proven. 63 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-10-27 22:34:48,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126965666] [2020-10-27 22:34:48,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:34:48,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:34:48,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228730683] [2020-10-27 22:34:48,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:34:48,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:34:48,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:34:48,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:34:48,327 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand 11 states. [2020-10-27 22:34:48,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:34:48,967 INFO L93 Difference]: Finished difference Result 122 states and 173 transitions. [2020-10-27 22:34:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:34:48,968 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 111 [2020-10-27 22:34:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:34:48,970 INFO L225 Difference]: With dead ends: 122 [2020-10-27 22:34:48,971 INFO L226 Difference]: Without dead ends: 117 [2020-10-27 22:34:48,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:34:48,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-27 22:34:48,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 106. [2020-10-27 22:34:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 22:34:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 149 transitions. [2020-10-27 22:34:48,994 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 149 transitions. Word has length 111 [2020-10-27 22:34:48,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:34:48,994 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 149 transitions. [2020-10-27 22:34:48,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:34:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2020-10-27 22:34:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:34:48,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:34:48,997 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:34:48,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:34:48,998 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:34:48,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:34:48,999 INFO L82 PathProgramCache]: Analyzing trace with hash -743856499, now seen corresponding path program 6 times [2020-10-27 22:34:48,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:34:48,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660146724] [2020-10-27 22:34:48,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:34:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:49,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:49,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:49,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:50,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:50,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:51,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:34:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:34:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:34:54,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:34:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:34:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:34:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:54,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:54,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:55,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:55,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:55,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:58,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:58,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:34:59,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:34:59,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 22:34:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-27 22:34:59,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:34:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:34:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:34:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-27 22:34:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:34:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:34:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:34:59,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:34:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:00,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 39 [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 22:35:04,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:35:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:04,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:04,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:04,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:08,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:35:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:09,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:09,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-27 22:35:09,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:35:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:35:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:09,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:09,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:09,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:35:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:35:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:35:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:09,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:09,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:09,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:35:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:09,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:10,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:13,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4031 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:35:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:13,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:13,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:13,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:13,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:35:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-27 22:35:14,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:35:14,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:14,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:14,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:35:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:35:14,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:14,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:35:14,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 22:35:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:14,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:35:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:14,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:14,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:14,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:14,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:14,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 146 proven. 279 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-10-27 22:35:14,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660146724] [2020-10-27 22:35:14,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:14,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 22:35:14,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217662831] [2020-10-27 22:35:14,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 22:35:14,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:14,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 22:35:14,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:35:14,504 INFO L87 Difference]: Start difference. First operand 106 states and 149 transitions. Second operand 19 states. [2020-10-27 22:35:16,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:16,890 INFO L93 Difference]: Finished difference Result 237 states and 369 transitions. [2020-10-27 22:35:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 22:35:16,893 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 179 [2020-10-27 22:35:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:16,896 INFO L225 Difference]: With dead ends: 237 [2020-10-27 22:35:16,896 INFO L226 Difference]: Without dead ends: 133 [2020-10-27 22:35:16,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 22:35:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-27 22:35:16,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 119. [2020-10-27 22:35:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 22:35:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 166 transitions. [2020-10-27 22:35:16,918 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 166 transitions. Word has length 179 [2020-10-27 22:35:16,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:16,919 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 166 transitions. [2020-10-27 22:35:16,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 22:35:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2020-10-27 22:35:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 22:35:16,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:16,921 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:35:16,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:35:16,921 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash -737203870, now seen corresponding path program 7 times [2020-10-27 22:35:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:16,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280678414] [2020-10-27 22:35:16,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:16,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:16,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:17,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:18,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:21,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:21,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 22:35:21,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:35:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:21,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:35:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:35:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:35:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:21,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:21,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:21,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:22,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:22,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:22,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:22,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:22,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:23,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:24,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:25,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:26,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:35:27,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:27,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:32,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:35:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:32,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:32,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:32,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:35:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:35:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:37,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:37,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:37,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:35:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:37,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:37,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:35:37,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:35:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:35:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:37,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:37,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:37,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:37,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:35:37,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:35:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:37,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:38,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:35:38,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:35:38,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:35:38,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 22:35:38,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:35:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:35:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:35:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:35:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:35:38,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:38,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:35:38,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:35:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:35:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:38,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:35:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 201 proven. 107 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-10-27 22:35:38,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280678414] [2020-10-27 22:35:38,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:35:38,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 22:35:38,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720900581] [2020-10-27 22:35:38,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 22:35:38,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:35:38,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 22:35:38,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-10-27 22:35:38,647 INFO L87 Difference]: Start difference. First operand 119 states and 166 transitions. Second operand 20 states. [2020-10-27 22:35:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:35:40,259 INFO L93 Difference]: Finished difference Result 222 states and 309 transitions. [2020-10-27 22:35:40,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 22:35:40,262 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 152 [2020-10-27 22:35:40,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:35:40,264 INFO L225 Difference]: With dead ends: 222 [2020-10-27 22:35:40,265 INFO L226 Difference]: Without dead ends: 110 [2020-10-27 22:35:40,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=190, Invalid=1000, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 22:35:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-27 22:35:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2020-10-27 22:35:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 22:35:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2020-10-27 22:35:40,279 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 152 [2020-10-27 22:35:40,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:35:40,279 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2020-10-27 22:35:40,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 22:35:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2020-10-27 22:35:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-27 22:35:40,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:35:40,281 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] [2020-10-27 22:35:40,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 22:35:40,282 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:35:40,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:35:40,282 INFO L82 PathProgramCache]: Analyzing trace with hash -695303513, now seen corresponding path program 8 times [2020-10-27 22:35:40,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:35:40,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283146463] [2020-10-27 22:35:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:35:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:40,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:41,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:35:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:35:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:45,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:35:45,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:35:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:35:45,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:35:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:35:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:45,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:35:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:45,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:50,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-27 22:35:50,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:51,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:35:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:35:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:35:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:35:55,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:35:55,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:36:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:00,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:00,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:00,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:00,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 22:36:00,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:00,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:00,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:00,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:00,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:36:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:36:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:00,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:00,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:00,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:00,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:36:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:36:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:00,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:00,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:00,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:00,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:00,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:36:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:00,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:00,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:00,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:00,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:00,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:00,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:36:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 79 proven. 188 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2020-10-27 22:36:00,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283146463] [2020-10-27 22:36:00,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:00,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:36:00,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462886453] [2020-10-27 22:36:00,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:36:00,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:36:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:00,750 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand 13 states. [2020-10-27 22:36:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:01,690 INFO L93 Difference]: Finished difference Result 270 states and 386 transitions. [2020-10-27 22:36:01,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:36:01,692 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 179 [2020-10-27 22:36:01,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:01,697 INFO L225 Difference]: With dead ends: 270 [2020-10-27 22:36:01,697 INFO L226 Difference]: Without dead ends: 157 [2020-10-27 22:36:01,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:36:01,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-27 22:36:01,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2020-10-27 22:36:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-27 22:36:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 195 transitions. [2020-10-27 22:36:01,726 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 195 transitions. Word has length 179 [2020-10-27 22:36:01,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:01,727 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 195 transitions. [2020-10-27 22:36:01,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:36:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 195 transitions. [2020-10-27 22:36:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-27 22:36:01,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:01,731 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 20, 19, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:01,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 22:36:01,731 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:01,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:01,733 INFO L82 PathProgramCache]: Analyzing trace with hash 111907424, now seen corresponding path program 9 times [2020-10-27 22:36:01,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:01,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065349475] [2020-10-27 22:36:01,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:02,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:03,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:04,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 448 [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:36:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-27 22:36:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:06,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:06,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:07,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:11,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 432 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:36:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:12,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:12,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:12,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 22:36:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:17,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:17,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:17,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:18,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking...