/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:03:40,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:03:40,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:03:40,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:03:40,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:03:40,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:03:40,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:03:40,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:03:40,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:03:40,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:03:40,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:03:40,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:03:40,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:03:40,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:03:40,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:03:40,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:03:40,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:03:40,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:03:40,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:03:40,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:03:40,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:03:40,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:03:40,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:03:40,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:03:40,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:03:40,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:03:40,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:03:40,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:03:40,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:03:40,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:03:40,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:03:40,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:03:40,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:03:40,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:03:40,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:03:40,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:03:40,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:03:40,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:03:40,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:03:40,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:03:40,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:03:40,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 12:03:40,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:03:40,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:03:40,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:03:40,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:03:40,632 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:03:40,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:03:40,632 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:03:40,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:03:40,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:03:40,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:03:40,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:03:40,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:03:40,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:03:40,635 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:03:40,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:03:40,635 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:03:40,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:03:40,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:03:40,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:03:40,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:03:40,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:03:40,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:03:40,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:03:40,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:03:40,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:03:40,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:03:40,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:03:40,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:03:40,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:03:40,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:03:41,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:03:41,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:03:41,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:03:41,069 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:03:41,070 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:03:41,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-10-29 12:03:41,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e47091150/65c626729d204faa86f2fc5242b995c3/FLAG597043592 [2020-10-29 12:03:41,893 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:03:41,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-10-29 12:03:41,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e47091150/65c626729d204faa86f2fc5242b995c3/FLAG597043592 [2020-10-29 12:03:42,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e47091150/65c626729d204faa86f2fc5242b995c3 [2020-10-29 12:03:42,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:03:42,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:03:42,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:03:42,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:03:42,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:03:42,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff88526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42, skipping insertion in model container [2020-10-29 12:03:42,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:03:42,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:03:42,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:03:42,470 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:03:42,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:03:42,509 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:03:42,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42 WrapperNode [2020-10-29 12:03:42,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:03:42,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:03:42,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:03:42,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:03:42,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... [2020-10-29 12:03:42,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:03:42,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:03:42,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:03:42,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:03:42,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:03:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:03:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:03:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:03:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:03:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:03:42,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:03:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:03:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:03:42,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:03:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:03:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:03:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:03:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:03:42,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:03:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:03:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:03:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:03:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:03:42,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:03:42,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:03:43,071 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:03:43,074 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:03:43,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:43 BoogieIcfgContainer [2020-10-29 12:03:43,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:03:43,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:03:43,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:03:43,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:03:43,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:03:42" (1/3) ... [2020-10-29 12:03:43,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25418029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:43, skipping insertion in model container [2020-10-29 12:03:43,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:42" (2/3) ... [2020-10-29 12:03:43,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25418029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:43, skipping insertion in model container [2020-10-29 12:03:43,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:43" (3/3) ... [2020-10-29 12:03:43,100 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-10-29 12:03:43,133 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:03:43,138 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:03:43,152 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:03:43,183 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:03:43,183 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:03:43,183 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:03:43,183 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:03:43,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:03:43,184 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:03:43,184 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:03:43,184 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:03:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:03:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:03:43,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:03:43,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:03:43,213 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:03:43,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:03:43,220 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:03:43,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:03:43,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697693656] [2020-10-29 12:03:43,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:03:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:43,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:43,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:03:43,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:43,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-29 12:03:43,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:43,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:43,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:03:43,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:03:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:03:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 12:03:43,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:03:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:43,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:43,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:43,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:03:43,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:43,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:03:43,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:43,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:43,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:43,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:43,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:43,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:03:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:43,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:43,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:43,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:43,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:43,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:03:43,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:43,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:03:43,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:03:43,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:03:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:03:43,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1697693656] [2020-10-29 12:03:43,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:03:43,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:03:43,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569106672] [2020-10-29 12:03:43,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:03:43,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:03:43,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:03:43,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:03:43,917 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:03:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:03:44,313 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:03:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:03:44,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:03:44,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:03:44,327 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:03:44,327 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:03:44,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:03:44,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:03:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:03:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:03:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:03:44,405 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:03:44,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:03:44,405 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:03:44,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:03:44,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:03:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 12:03:44,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:03:44,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:03:44,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:03:44,409 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:03:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:03:44,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-29 12:03:44,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:03:44,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433465312] [2020-10-29 12:03:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:03:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:44,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:44,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:03:44,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:44,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 12:03:44,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:44,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:03:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:03:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:44,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:44,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:03:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:44,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:44,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:44,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:03:44,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:03:44,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:44,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:03:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:44,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:44,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:44,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:03:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:03:44,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:44,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:03:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:03:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:03:44,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433465312] [2020-10-29 12:03:44,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:03:44,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:03:44,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924792270] [2020-10-29 12:03:44,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:03:44,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:03:44,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:03:44,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:03:44,684 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-29 12:03:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:03:44,939 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-29 12:03:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:03:44,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-29 12:03:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:03:44,942 INFO L225 Difference]: With dead ends: 39 [2020-10-29 12:03:44,942 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 12:03:44,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:03:44,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 12:03:44,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-29 12:03:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:03:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:03:44,956 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-29 12:03:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:03:44,957 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:03:44,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:03:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:03:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:03:44,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:03:44,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:03:44,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:03:44,959 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:03:44,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:03:44,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:03:44,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:03:44,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341374541] [2020-10-29 12:03:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:03:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:44,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:45,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:45,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:45,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:03:45,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:03:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-29 12:03:45,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:45,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:03:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:03:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:03:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:03:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:45,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:45,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:03:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:03:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:45,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:45,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:03:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:45,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:45,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:46,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:03:46,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:03:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 12:03:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:46,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:03:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:03:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:03:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:46,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:03:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:46,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:46,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:46,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:46,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:03:46,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:46,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:03:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:46,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:03:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:46,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:46,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:46,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:46,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:46,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:03:46,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:46,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:03:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:03:46,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:03:46,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341374541] [2020-10-29 12:03:46,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:03:46,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:03:46,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799294770] [2020-10-29 12:03:46,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:03:46,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:03:46,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:03:46,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:03:46,177 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:03:46,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:03:46,626 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-29 12:03:46,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:03:46,627 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:03:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:03:46,630 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:03:46,630 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:03:46,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:03:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:03:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-29 12:03:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:03:46,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-29 12:03:46,647 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-29 12:03:46,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:03:46,648 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-29 12:03:46,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:03:46,648 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-29 12:03:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:03:46,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:03:46,650 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:03:46,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:03:46,651 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:03:46,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:03:46,651 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:03:46,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:03:46,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974862748] [2020-10-29 12:03:46,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:03:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:46,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:46,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:47,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:03:47,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:03:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-29 12:03:47,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:47,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:03:47,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:03:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:03:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:03:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:47,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:03:47,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:47,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 12:03:47,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:47,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:47,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:03:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:47,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:03:47,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:03:47,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 12:03:47,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:47,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:03:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:03:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:03:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:03:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:47,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:03:47,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:47,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:03:47,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:47,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:03:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:47,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:47,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:47,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:03:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:47,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:47,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:47,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:03:47,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:47,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:03:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:03:47,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974862748] [2020-10-29 12:03:47,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:03:47,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:03:47,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575514698] [2020-10-29 12:03:47,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:03:47,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:03:47,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:03:47,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:03:47,270 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-29 12:03:47,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:03:47,692 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-29 12:03:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:03:47,700 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:03:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:03:47,702 INFO L225 Difference]: With dead ends: 54 [2020-10-29 12:03:47,702 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 12:03:47,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:03:47,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 12:03:47,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-29 12:03:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 12:03:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-29 12:03:47,716 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-29 12:03:47,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:03:47,716 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-29 12:03:47,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:03:47,717 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-29 12:03:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 12:03:47,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:03:47,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:03:47,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:03:47,719 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:03:47,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:03:47,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-29 12:03:47,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:03:47,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688252957] [2020-10-29 12:03:47,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:03:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:47,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:47,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:48,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:03:48,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:03:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-10-29 12:03:48,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:48,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:03:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:03:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 12:03:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:48,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:03:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:48,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:48,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:03:48,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:03:48,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:48,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:48,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:48,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:48,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:03:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:48,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:48,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:03:48,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:03:48,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 12:03:48,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:48,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:48,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:03:48,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:03:48,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:03:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:03:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:48,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:48,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:03:48,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:48,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:03:48,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:48,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:48,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:03:48,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:48,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:48,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:48,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:03:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:48,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:48,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:48,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:03:48,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:03:48,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:48,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:03:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:03:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:03:48,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688252957] [2020-10-29 12:03:48,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:03:48,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:03:48,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23766377] [2020-10-29 12:03:48,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:03:48,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:03:48,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:03:48,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:03:48,520 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-29 12:03:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:03:49,073 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-29 12:03:49,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:03:49,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-29 12:03:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:03:49,076 INFO L225 Difference]: With dead ends: 65 [2020-10-29 12:03:49,081 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 12:03:49,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:03:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 12:03:49,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-29 12:03:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-29 12:03:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-29 12:03:49,110 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-29 12:03:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:03:49,111 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-29 12:03:49,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:03:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-29 12:03:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:03:49,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:03:49,120 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:03:49,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:03:49,121 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:03:49,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:03:49,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:03:49,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:03:49,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792241328] [2020-10-29 12:03:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:03:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:49,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:49,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:49,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:49,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:49,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:49,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:51,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:51,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:51,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:51,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:54,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:03:54,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:03:54,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 12:03:54,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:54,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:54,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:03:54,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:03:54,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 12:03:54,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:54,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:03:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:54,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:54,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:03:54,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:54,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:03:54,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:54,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:54,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:54,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:54,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:54,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:03:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:54,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:54,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:56,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:56,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:56,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:03:59,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:03:59,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:03:59,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:03:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:03:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:03:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:59,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:03:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:59,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:03:59,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:03:59,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 12:03:59,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:03:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:03:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:59,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:03:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:59,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:59,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:03:59,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:59,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:59,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:03:59,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:03:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:59,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:03:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:03:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:03:59,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:59,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:03:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:59,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:03:59,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:03:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 12:03:59,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:03:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:03:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:59,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:03:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:59,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:59,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:03:59,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:03:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:03:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:03:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:03:59,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:03:59,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:03:59,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:03:59,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:03:59,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:03:59,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:03:59,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:03:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:03:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:03:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:03:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:03:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 12:03:59,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792241328] [2020-10-29 12:03:59,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:03:59,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:03:59,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868160723] [2020-10-29 12:03:59,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:03:59,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:03:59,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:03:59,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:03:59,590 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 10 states. [2020-10-29 12:04:00,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:04:00,137 INFO L93 Difference]: Finished difference Result 84 states and 135 transitions. [2020-10-29 12:04:00,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:04:00,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-29 12:04:00,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:04:00,143 INFO L225 Difference]: With dead ends: 84 [2020-10-29 12:04:00,144 INFO L226 Difference]: Without dead ends: 79 [2020-10-29 12:04:00,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:04:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-29 12:04:00,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-10-29 12:04:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-29 12:04:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2020-10-29 12:04:00,177 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 54 [2020-10-29 12:04:00,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:04:00,178 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2020-10-29 12:04:00,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:04:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2020-10-29 12:04:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 12:04:00,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:04:00,181 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:04:00,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:04:00,182 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:04:00,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:04:00,182 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-29 12:04:00,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:04:00,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287078500] [2020-10-29 12:04:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:04:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:00,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:05,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:04:05,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:04:05,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:04:05,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:05,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:05,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:04:05,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:04:05,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 12:04:05,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:05,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:04:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:05,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:05,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:04:05,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:05,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:04:05,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:05,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:05,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:05,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:05,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:04:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:05,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:05,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:06,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:07,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:07,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:04:10,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:04:10,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:04:10,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:04:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:04:10,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:04:10,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 12:04:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:04:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:04:10,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:04:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:04:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:10,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:04:10,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:10,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:10,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:10,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:04:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:10,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:10,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:04:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:04:10,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:10,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:04:10,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:04:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:04:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:10,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:04:10,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 12:04:10,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:04:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:04:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:10,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:04:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:10,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:10,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:10,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:10,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:04:10,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:10,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:10,559 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 12:04:10,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287078500] [2020-10-29 12:04:10,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:04:10,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:04:10,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658204709] [2020-10-29 12:04:10,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:04:10,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:04:10,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:04:10,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:04:10,565 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand 10 states. [2020-10-29 12:04:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:04:11,185 INFO L93 Difference]: Finished difference Result 114 states and 210 transitions. [2020-10-29 12:04:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:04:11,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-29 12:04:11,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:04:11,189 INFO L225 Difference]: With dead ends: 114 [2020-10-29 12:04:11,190 INFO L226 Difference]: Without dead ends: 109 [2020-10-29 12:04:11,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-29 12:04:11,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-29 12:04:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 89. [2020-10-29 12:04:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-29 12:04:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 153 transitions. [2020-10-29 12:04:11,238 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 153 transitions. Word has length 56 [2020-10-29 12:04:11,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:04:11,239 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 153 transitions. [2020-10-29 12:04:11,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:04:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 153 transitions. [2020-10-29 12:04:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-29 12:04:11,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:04:11,243 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:04:11,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:04:11,243 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:04:11,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:04:11,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1577514399, now seen corresponding path program 1 times [2020-10-29 12:04:11,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:04:11,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199827970] [2020-10-29 12:04:11,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:04:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:11,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:14,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:14,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:14,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:16,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 12:04:16,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:04:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:04:16,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:16,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:04:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:04:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:04:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:16,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:04:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:16,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:16,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:04:16,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:16,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:04:16,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:16,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:16,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:16,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:04:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:16,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:16,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:17,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:18,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:19,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:20,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:20,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:21,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 12:04:21,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-29 12:04:21,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:04:21,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:21,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:04:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:04:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:04:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:21,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:21,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:04:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:04:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-29 12:04:21,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:21,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:04:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:04:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:21,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:21,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:04:21,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:21,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:04:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:21,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:04:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:21,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:21,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:21,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:21,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:21,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:21,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:21,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:04:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:21,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:21,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:04:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:21,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:21,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:21,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:04:21,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:21,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:04:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:04:21,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:21,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:04:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:21,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:22,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:22,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:04:22,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:04:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-29 12:04:22,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:22,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:04:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:04:22,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:04:22,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:22,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:22,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:22,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:22,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:04:22,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:04:22,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:22,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:04:22,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:22,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:22,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:22,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:22,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:22,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:22,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:22,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:22,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:04:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:22,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:22,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:22,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:22,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:22,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:22,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:22,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:22,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:22,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:22,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:04:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:22,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:22,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:04:22,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:22,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:22,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 30 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-29 12:04:22,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199827970] [2020-10-29 12:04:22,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:04:22,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:04:22,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950785343] [2020-10-29 12:04:22,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:04:22,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:04:22,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:04:22,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:04:22,607 INFO L87 Difference]: Start difference. First operand 89 states and 153 transitions. Second operand 11 states. [2020-10-29 12:04:23,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:04:23,693 INFO L93 Difference]: Finished difference Result 189 states and 369 transitions. [2020-10-29 12:04:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:04:23,694 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 80 [2020-10-29 12:04:23,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:04:23,700 INFO L225 Difference]: With dead ends: 189 [2020-10-29 12:04:23,700 INFO L226 Difference]: Without dead ends: 87 [2020-10-29 12:04:23,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:04:23,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-29 12:04:23,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 77. [2020-10-29 12:04:23,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-29 12:04:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2020-10-29 12:04:23,732 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 80 [2020-10-29 12:04:23,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:04:23,732 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2020-10-29 12:04:23,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:04:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2020-10-29 12:04:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 12:04:23,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:04:23,734 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:04:23,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:04:23,734 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:04:23,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:04:23,741 INFO L82 PathProgramCache]: Analyzing trace with hash 931040796, now seen corresponding path program 1 times [2020-10-29 12:04:23,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:04:23,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795599623] [2020-10-29 12:04:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:04:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:23,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:23,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:23,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:24,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:24,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:27,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:27,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:27,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 12:04:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:04:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:28,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:28,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:04:28,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:28,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:28,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:04:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:28,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:29,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:30,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 12:04:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:33,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:33,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:33,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:34,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:04:34,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:04:34,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 601 [2020-10-29 12:04:34,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:34,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:04:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:04:34,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:34,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:04:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:34,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:34,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:34,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:34,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:34,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:34,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:34,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:04:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:34,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:34,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:34,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:34,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:34,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:34,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:34,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:04:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:34,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:04:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:04:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:34,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:34,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:35,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:04:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:04:35,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:35,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:35,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:35,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:04:35,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 12:04:35,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:35,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:04:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:04:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:35,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:35,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:04:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:35,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:35,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:35,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:04:35,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:35,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:04:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:35,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:35,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:35,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:35,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:35,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:04:35,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:35,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 43 proven. 27 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-29 12:04:35,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795599623] [2020-10-29 12:04:35,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:04:35,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:04:35,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905090001] [2020-10-29 12:04:35,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:04:35,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:04:35,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:04:35,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:04:35,268 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 12 states. [2020-10-29 12:04:36,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:04:36,077 INFO L93 Difference]: Finished difference Result 171 states and 286 transitions. [2020-10-29 12:04:36,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:04:36,077 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 81 [2020-10-29 12:04:36,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:04:36,080 INFO L225 Difference]: With dead ends: 171 [2020-10-29 12:04:36,080 INFO L226 Difference]: Without dead ends: 101 [2020-10-29 12:04:36,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:04:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-29 12:04:36,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-29 12:04:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-29 12:04:36,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2020-10-29 12:04:36,096 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 81 [2020-10-29 12:04:36,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:04:36,097 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2020-10-29 12:04:36,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:04:36,097 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2020-10-29 12:04:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 12:04:36,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:04:36,099 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:04:36,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:04:36,099 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:04:36,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:04:36,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1903293640, now seen corresponding path program 1 times [2020-10-29 12:04:36,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:04:36,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579659707] [2020-10-29 12:04:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:04:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:36,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:36,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:38,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:38,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:38,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:39,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:39,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:39,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:40,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:41,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 12:04:41,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:04:41,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:04:41,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:41,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:04:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:04:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 12:04:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:41,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:04:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:41,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:41,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:04:41,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:41,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:04:41,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:41,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:04:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:41,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:42,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:42,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:42,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:42,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:45,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:45,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:45,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:46,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 12:04:46,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 12:04:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:46,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:46,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:47,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:47,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3631 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:49,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:04:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:49,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:49,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:49,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:49,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:04:49,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:49,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:04:49,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:49,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:04:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:49,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:04:49,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:49,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:49,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:49,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:49,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:04:49,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:49,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:04:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:04:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:04:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:49,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:49,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:49,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:49,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:49,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:49,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:04:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:49,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:49,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:49,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:04:49,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:04:49,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:49,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:04:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:04:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:04:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 12:04:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:04:50,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:04:50,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:04:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 12:04:50,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:04:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:04:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:50,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:50,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:50,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:50,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:50,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:04:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:04:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:50,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:50,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:04:50,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:04:50,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:50,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:04:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:04:50,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 36 proven. 63 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-29 12:04:50,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579659707] [2020-10-29 12:04:50,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:04:50,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 12:04:50,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180366457] [2020-10-29 12:04:50,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 12:04:50,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:04:50,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 12:04:50,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:04:50,651 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand 13 states. [2020-10-29 12:04:51,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:04:51,873 INFO L93 Difference]: Finished difference Result 230 states and 410 transitions. [2020-10-29 12:04:51,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 12:04:51,874 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-29 12:04:51,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:04:51,879 INFO L225 Difference]: With dead ends: 230 [2020-10-29 12:04:51,879 INFO L226 Difference]: Without dead ends: 139 [2020-10-29 12:04:51,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:04:51,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-29 12:04:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-10-29 12:04:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-29 12:04:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 175 transitions. [2020-10-29 12:04:51,907 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 175 transitions. Word has length 94 [2020-10-29 12:04:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:04:51,907 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 175 transitions. [2020-10-29 12:04:51,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 12:04:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2020-10-29 12:04:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-29 12:04:51,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:04:51,910 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:04:51,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:04:51,910 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:04:51,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:04:51,910 INFO L82 PathProgramCache]: Analyzing trace with hash 862875969, now seen corresponding path program 1 times [2020-10-29 12:04:51,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:04:51,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291966756] [2020-10-29 12:04:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:04:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:51,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:51,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:51,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:51,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:53,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:54,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:54,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:54,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:56,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 12:04:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:56,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:04:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:56,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:04:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:04:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:04:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:04:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:04:56,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:04:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:04:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:04:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:04:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:04:56,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:04:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:04:57,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:04:57,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:05:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 12:05:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:02,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:03,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:04,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:04,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:05:04,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2859 [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:05:04,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:04,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:04,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:04,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:04,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:04,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:04,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:04,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:04,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:04,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:04,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:04,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:04,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:04,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:04,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:04,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:04,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:04,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:04,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:04,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:04,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:04,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:04,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:04,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:04,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:04,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:04,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:04,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:04,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:05,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:05,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:05,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:05,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:05,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:05,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:05,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:05,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 12:05:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:05,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:06,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:07,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:05:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:10,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:10,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:10,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:10,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:05:10,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:05:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:05:10,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:10,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:05:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:10,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:10,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:10,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:05:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:10,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:10,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:10,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:10,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:10,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:10,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-10-29 12:05:10,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291966756] [2020-10-29 12:05:10,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:10,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 12:05:10,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796395014] [2020-10-29 12:05:10,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 12:05:10,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:10,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 12:05:10,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:05:10,235 INFO L87 Difference]: Start difference. First operand 114 states and 175 transitions. Second operand 15 states. [2020-10-29 12:05:11,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:11,659 INFO L93 Difference]: Finished difference Result 239 states and 441 transitions. [2020-10-29 12:05:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 12:05:11,660 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2020-10-29 12:05:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:11,663 INFO L225 Difference]: With dead ends: 239 [2020-10-29 12:05:11,663 INFO L226 Difference]: Without dead ends: 129 [2020-10-29 12:05:11,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=771, Unknown=0, NotChecked=0, Total=930 [2020-10-29 12:05:11,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-29 12:05:11,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 101. [2020-10-29 12:05:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-29 12:05:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2020-10-29 12:05:11,703 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 108 [2020-10-29 12:05:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:11,705 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2020-10-29 12:05:11,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 12:05:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2020-10-29 12:05:11,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 12:05:11,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:11,710 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:11,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:05:11,710 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:11,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:11,711 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 2 times [2020-10-29 12:05:11,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:11,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085765566] [2020-10-29 12:05:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:11,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:11,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:13,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:14,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:16,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 12:05:16,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 12:05:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:16,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:16,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:16,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:16,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:16,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:17,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:18,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:20,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:20,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:20,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:20,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:20,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:21,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 12:05:21,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-29 12:05:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:05:21,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:21,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:05:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:05:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 12:05:21,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:21,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:21,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:22,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:23,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:26,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:05:26,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:05:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:05:26,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:26,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:05:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:05:26,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:26,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:26,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:26,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:26,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:26,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:26,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:26,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:26,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:26,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:26,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:26,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:05:26,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:26,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:26,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:05:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:27,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:05:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:27,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:27,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:27,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:27,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:27,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:27,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:27,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:27,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:27,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:27,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 12:05:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:27,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:27,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:28,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4191 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:05:31,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:31,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:05:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:31,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:31,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:31,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:31,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:31,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:31,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:31,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:31,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:31,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:31,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 75 proven. 77 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-29 12:05:31,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085765566] [2020-10-29 12:05:31,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:31,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:05:31,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097844484] [2020-10-29 12:05:31,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:05:31,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:31,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:05:31,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:05:31,647 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand 14 states. [2020-10-29 12:05:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:32,783 INFO L93 Difference]: Finished difference Result 225 states and 425 transitions. [2020-10-29 12:05:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:05:32,784 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-10-29 12:05:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:32,794 INFO L225 Difference]: With dead ends: 225 [2020-10-29 12:05:32,795 INFO L226 Difference]: Without dead ends: 134 [2020-10-29 12:05:32,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:05:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-29 12:05:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 121. [2020-10-29 12:05:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-29 12:05:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 198 transitions. [2020-10-29 12:05:32,824 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 198 transitions. Word has length 110 [2020-10-29 12:05:32,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:32,824 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 198 transitions. [2020-10-29 12:05:32,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:05:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2020-10-29 12:05:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-29 12:05:32,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:32,832 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:32,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:05:32,833 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:32,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:32,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1876803142, now seen corresponding path program 1 times [2020-10-29 12:05:32,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:32,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803180759] [2020-10-29 12:05:32,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:32,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:33,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:34,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:34,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:37,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 12:05:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:37,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:37,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:37,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:37,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:37,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:37,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:37,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:38,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:39,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:39,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:40,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:40,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 12:05:42,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:05:42,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:05:42,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:42,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:05:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:05:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 12:05:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:42,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:42,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:42,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:05:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:05:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:47,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:47,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:47,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:47,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:48,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:48,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:48,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:48,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:48,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:05:48,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:05:48,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-29 12:05:48,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:05:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:05:48,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 12:05:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 12:05:48,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:48,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:48,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:48,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:48,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 12:05:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:48,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:05:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:05:48,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:05:48,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:49,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:05:49,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:05:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:49,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:05:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:05:49,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:05:49,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:05:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:49,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:05:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:49,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:49,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:05:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:49,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:49,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:05:49,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:49,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:05:49,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:49,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:05:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:05:49,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 78 proven. 76 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-29 12:05:49,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1803180759] [2020-10-29 12:05:49,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:05:49,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:05:49,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593812885] [2020-10-29 12:05:49,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:05:49,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:05:49,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:05:49,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:05:49,198 INFO L87 Difference]: Start difference. First operand 121 states and 198 transitions. Second operand 17 states. [2020-10-29 12:05:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:05:50,368 INFO L93 Difference]: Finished difference Result 234 states and 446 transitions. [2020-10-29 12:05:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:05:50,369 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 109 [2020-10-29 12:05:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:05:50,372 INFO L225 Difference]: With dead ends: 234 [2020-10-29 12:05:50,372 INFO L226 Difference]: Without dead ends: 118 [2020-10-29 12:05:50,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:05:50,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-29 12:05:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-10-29 12:05:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-29 12:05:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 189 transitions. [2020-10-29 12:05:50,396 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 189 transitions. Word has length 109 [2020-10-29 12:05:50,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:05:50,396 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 189 transitions. [2020-10-29 12:05:50,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:05:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 189 transitions. [2020-10-29 12:05:50,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-29 12:05:50,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:05:50,400 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:05:50,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:05:50,400 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:05:50,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:05:50,401 INFO L82 PathProgramCache]: Analyzing trace with hash -54425551, now seen corresponding path program 2 times [2020-10-29 12:05:50,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:05:50,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343781820] [2020-10-29 12:05:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:05:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:50,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:50,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:54,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:05:55,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:05:55,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 12:05:55,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:05:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:05:55,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:05:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:05:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:05:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:05:55,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:05:55,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:06:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:00,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:01,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:05,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:06:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:05,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:05,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:05,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:05,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:05,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:05,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:05,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:05,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:05,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:06:05,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:05,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:05,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:05,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:05,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:05,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:05,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:05,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:05,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 864 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:06,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:06,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:06,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:06,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:06:06,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:06,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:06,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:06,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:06,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:06,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:06,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:06,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:06,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:06,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:06,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:06,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:06,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:06,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:06,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:06,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:06,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:06,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:06,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:06:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:06,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:07,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:09,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:06:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-29 12:06:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:06:11,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 12:06:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:11,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:11,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:11,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:11,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:11,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:11,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:11,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:11,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:16,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:06:16,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-29 12:06:16,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:16,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:16,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 12:06:16,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:16,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:16,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:16,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:06:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 12:06:16,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:16,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:16,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:16,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:16,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:16,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:16,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:16,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:16,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:16,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:16,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:16,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:16,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:16,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:16,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:16,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:16,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:16,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:16,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:16,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:06:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:17,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:17,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:17,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:17,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:17,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:17,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:17,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:17,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:17,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:17,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:17,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 123 proven. 193 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2020-10-29 12:06:17,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343781820] [2020-10-29 12:06:17,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:17,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:06:17,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942196418] [2020-10-29 12:06:17,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:06:17,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:17,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:06:17,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:06:17,073 INFO L87 Difference]: Start difference. First operand 118 states and 189 transitions. Second operand 14 states. [2020-10-29 12:06:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:18,072 INFO L93 Difference]: Finished difference Result 242 states and 440 transitions. [2020-10-29 12:06:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:06:18,075 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-29 12:06:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:18,077 INFO L225 Difference]: With dead ends: 242 [2020-10-29 12:06:18,077 INFO L226 Difference]: Without dead ends: 109 [2020-10-29 12:06:18,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:06:18,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-29 12:06:18,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-10-29 12:06:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-29 12:06:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 135 transitions. [2020-10-29 12:06:18,098 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 135 transitions. Word has length 166 [2020-10-29 12:06:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:18,098 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 135 transitions. [2020-10-29 12:06:18,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:06:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 135 transitions. [2020-10-29 12:06:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 12:06:18,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:18,100 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 8, 8, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:18,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:06:18,101 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:18,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:18,102 INFO L82 PathProgramCache]: Analyzing trace with hash -438129935, now seen corresponding path program 3 times [2020-10-29 12:06:18,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:18,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209294619] [2020-10-29 12:06:18,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:18,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:18,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:19,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:20,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:20,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:06:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 12:06:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:23,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:23,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:23,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:23,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:25,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:28,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 12:06:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:28,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:28,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:31,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 12:06:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:06:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:33,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:33,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:33,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:33,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:33,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:33,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:33,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:33,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:33,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:33,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:33,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:06:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:33,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:34,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:06:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:06:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:06:38,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 12:06:38,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:38,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:38,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:38,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:38,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:38,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:38,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:38,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:06:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:38,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:38,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:38,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:38,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:38,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:38,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:38,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:06:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:06:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:39,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:39,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:39,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:39,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:39,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:39,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:39,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 133 proven. 69 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-10-29 12:06:39,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209294619] [2020-10-29 12:06:39,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:39,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:06:39,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118554866] [2020-10-29 12:06:39,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:06:39,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:39,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:06:39,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:06:39,168 INFO L87 Difference]: Start difference. First operand 100 states and 135 transitions. Second operand 14 states. [2020-10-29 12:06:40,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:40,229 INFO L93 Difference]: Finished difference Result 227 states and 351 transitions. [2020-10-29 12:06:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:06:40,231 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2020-10-29 12:06:40,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:40,235 INFO L225 Difference]: With dead ends: 227 [2020-10-29 12:06:40,235 INFO L226 Difference]: Without dead ends: 130 [2020-10-29 12:06:40,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:06:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-29 12:06:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 119. [2020-10-29 12:06:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-29 12:06:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2020-10-29 12:06:40,258 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 167 transitions. Word has length 138 [2020-10-29 12:06:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:40,258 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 167 transitions. [2020-10-29 12:06:40,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:06:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 167 transitions. [2020-10-29 12:06:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 12:06:40,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:40,260 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 8, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:40,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:06:40,261 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:40,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:40,261 INFO L82 PathProgramCache]: Analyzing trace with hash 757913624, now seen corresponding path program 4 times [2020-10-29 12:06:40,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:40,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550493559] [2020-10-29 12:06:40,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:40,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 12:06:45,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:45,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:45,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:45,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:45,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:50,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:06:50,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 12:06:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 12:06:50,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:50,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:06:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:06:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 12:06:50,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:50,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:50,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:06:55,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 12:06:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:06:55,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:06:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:06:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 12:06:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:06:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:55,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:55,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:55,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:06:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:55,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:55,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:06:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:55,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:07:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:00,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:00,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:00,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:00,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:00,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:00,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 12:07:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:00,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:00,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:00,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 95 proven. 100 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-10-29 12:07:00,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550493559] [2020-10-29 12:07:00,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:00,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:07:00,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050663330] [2020-10-29 12:07:00,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:07:00,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:00,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:07:00,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:07:00,915 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. Second operand 11 states. [2020-10-29 12:07:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:01,716 INFO L93 Difference]: Finished difference Result 270 states and 420 transitions. [2020-10-29 12:07:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 12:07:01,719 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-29 12:07:01,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:01,722 INFO L225 Difference]: With dead ends: 270 [2020-10-29 12:07:01,722 INFO L226 Difference]: Without dead ends: 137 [2020-10-29 12:07:01,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:07:01,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-29 12:07:01,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 128. [2020-10-29 12:07:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-29 12:07:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 185 transitions. [2020-10-29 12:07:01,740 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 185 transitions. Word has length 139 [2020-10-29 12:07:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:01,741 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 185 transitions. [2020-10-29 12:07:01,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:07:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 185 transitions. [2020-10-29 12:07:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-29 12:07:01,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:01,744 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:01,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:07:01,744 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:01,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:01,745 INFO L82 PathProgramCache]: Analyzing trace with hash 673844870, now seen corresponding path program 1 times [2020-10-29 12:07:01,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:01,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875736235] [2020-10-29 12:07:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:05,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 12:07:06,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:06,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:06,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:06,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:06,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:06,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 12:07:11,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 12:07:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:11,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:11,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:12,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 12:07:16,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:16,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:17,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:21,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:07:21,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:07:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:21,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:21,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:21,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 12:07:21,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:21,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:21,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:21,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:21,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:21,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:21,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:21,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:21,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:21,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:21,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:21,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:22,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:22,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:22,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:22,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:22,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:22,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:22,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:22,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:22,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 12:07:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:22,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:22,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 950 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 12:07:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:23,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:23,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:23,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:23,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:23,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:23,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:23,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:23,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:23,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:23,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:23,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:23,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 12:07:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:23,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:23,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:07:24,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 729 [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 12:07:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:24,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-10-29 12:07:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:24,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:24,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:24,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:24,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:24,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:24,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:24,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:24,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:24,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 233 proven. 163 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2020-10-29 12:07:24,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875736235] [2020-10-29 12:07:24,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:24,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 12:07:24,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917800696] [2020-10-29 12:07:24,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 12:07:24,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:24,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 12:07:24,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:07:24,956 INFO L87 Difference]: Start difference. First operand 128 states and 185 transitions. Second operand 17 states. [2020-10-29 12:07:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:26,782 INFO L93 Difference]: Finished difference Result 274 states and 455 transitions. [2020-10-29 12:07:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:07:26,783 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 167 [2020-10-29 12:07:26,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:26,786 INFO L225 Difference]: With dead ends: 274 [2020-10-29 12:07:26,787 INFO L226 Difference]: Without dead ends: 136 [2020-10-29 12:07:26,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=172, Invalid=950, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 12:07:26,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-29 12:07:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 131. [2020-10-29 12:07:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-29 12:07:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 172 transitions. [2020-10-29 12:07:26,819 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 172 transitions. Word has length 167 [2020-10-29 12:07:26,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:26,819 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 172 transitions. [2020-10-29 12:07:26,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 12:07:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2020-10-29 12:07:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-29 12:07:26,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:26,826 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 14, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:26,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 12:07:26,826 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:26,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:26,827 INFO L82 PathProgramCache]: Analyzing trace with hash -736533811, now seen corresponding path program 5 times [2020-10-29 12:07:26,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:26,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053984033] [2020-10-29 12:07:26,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:26,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:27,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:31,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-10-29 12:07:31,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:07:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 12:07:31,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:31,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 12:07:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:31,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:31,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:31,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:31,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:31,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking...