/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_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 12:06:36,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 12:06:36,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 12:06:36,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 12:06:36,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 12:06:36,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 12:06:36,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 12:06:36,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 12:06:36,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 12:06:36,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 12:06:36,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 12:06:36,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 12:06:36,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 12:06:36,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 12:06:36,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 12:06:36,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 12:06:36,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 12:06:36,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 12:06:36,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 12:06:36,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 12:06:36,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 12:06:36,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 12:06:36,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 12:06:36,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 12:06:36,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 12:06:36,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 12:06:36,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 12:06:36,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 12:06:36,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 12:06:36,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 12:06:36,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 12:06:36,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 12:06:36,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 12:06:36,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 12:06:36,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 12:06:36,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 12:06:36,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 12:06:36,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 12:06:36,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 12:06:36,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 12:06:36,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 12:06:36,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 12:06:36,503 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 12:06:36,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 12:06:36,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 12:06:36,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 12:06:36,508 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 12:06:36,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 12:06:36,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 12:06:36,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 12:06:36,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 12:06:36,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 12:06:36,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 12:06:36,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 12:06:36,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 12:06:36,511 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 12:06:36,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 12:06:36,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 12:06:36,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 12:06:36,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 12:06:36,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 12:06:36,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 12:06:36,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 12:06:36,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:06:36,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 12:06:36,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 12:06:36,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 12:06:36,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 12:06:36,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 12:06:36,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 12:06:36,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 12:06:36,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 12:06:36,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 12:06:37,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 12:06:37,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 12:06:37,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 12:06:37,030 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 12:06:37,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-10-29 12:06:37,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7da7b33ae/4206081ad5d14868a7e15ff83ee62a8b/FLAGfd5c16cea [2020-10-29 12:06:37,786 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 12:06:37,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-10-29 12:06:37,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7da7b33ae/4206081ad5d14868a7e15ff83ee62a8b/FLAGfd5c16cea [2020-10-29 12:06:38,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7da7b33ae/4206081ad5d14868a7e15ff83ee62a8b [2020-10-29 12:06:38,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 12:06:38,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 12:06:38,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 12:06:38,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 12:06:38,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 12:06:38,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284285f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38, skipping insertion in model container [2020-10-29 12:06:38,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 12:06:38,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 12:06:38,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:06:38,473 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 12:06:38,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 12:06:38,527 INFO L208 MainTranslator]: Completed translation [2020-10-29 12:06:38,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38 WrapperNode [2020-10-29 12:06:38,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 12:06:38,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 12:06:38,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 12:06:38,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 12:06:38,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... [2020-10-29 12:06:38,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 12:06:38,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 12:06:38,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 12:06:38,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 12:06:38,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 12:06:38,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 12:06:38,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 12:06:38,669 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 12:06:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-29 12:06:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-29 12:06:38,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 12:06:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 12:06:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 12:06:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 12:06:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 12:06:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 12:06:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-29 12:06:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-29 12:06:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 12:06:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 12:06:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 12:06:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 12:06:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 12:06:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 12:06:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 12:06:38,992 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 12:06:38,993 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 12:06:38,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:06:38 BoogieIcfgContainer [2020-10-29 12:06:38,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 12:06:38,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 12:06:38,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 12:06:39,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 12:06:39,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:06:38" (1/3) ... [2020-10-29 12:06:39,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1177f229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:06:39, skipping insertion in model container [2020-10-29 12:06:39,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:06:38" (2/3) ... [2020-10-29 12:06:39,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1177f229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:06:39, skipping insertion in model container [2020-10-29 12:06:39,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:06:38" (3/3) ... [2020-10-29 12:06:39,007 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-1.c [2020-10-29 12:06:39,021 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 12:06:39,027 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 12:06:39,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 12:06:39,073 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 12:06:39,074 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 12:06:39,074 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 12:06:39,074 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 12:06:39,074 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 12:06:39,074 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 12:06:39,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 12:06:39,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 12:06:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-29 12:06:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 12:06:39,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:39,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:39,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:39,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-29 12:06:39,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:39,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215670401] [2020-10-29 12:06:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 12:06:39,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-29 12:06:39,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 12:06:39,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:39,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 12:06:39,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:39,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:39,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:39,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:39,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:39,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:06:39,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:39,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:39,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:39,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:39,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:39,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:06:39,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215670401] [2020-10-29 12:06:39,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:06:39,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:06:39,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194470350] [2020-10-29 12:06:39,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:06:39,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:39,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:06:39,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:06:39,929 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-29 12:06:40,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:40,471 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-29 12:06:40,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:06:40,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 12:06:40,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:40,486 INFO L225 Difference]: With dead ends: 50 [2020-10-29 12:06:40,487 INFO L226 Difference]: Without dead ends: 32 [2020-10-29 12:06:40,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:06:40,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-29 12:06:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-29 12:06:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:06:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:06:40,551 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-29 12:06:40,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:40,552 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:06:40,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:06:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:06:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 12:06:40,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:40,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:40,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 12:06:40,555 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:40,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:40,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-29 12:06:40,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:40,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361563495] [2020-10-29 12:06:40,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:40,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:40,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-29 12:06:40,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:40,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:40,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:40,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:40,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:40,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:06:40,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:40,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:40,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:40,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:40,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:40,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:06:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:40,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:40,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:06:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 12:06:40,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361563495] [2020-10-29 12:06:40,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:06:40,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 12:06:40,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408628349] [2020-10-29 12:06:40,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 12:06:40,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:40,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 12:06:40,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 12:06:40,950 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-29 12:06:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:41,385 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-29 12:06:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 12:06:41,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-29 12:06:41,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:41,388 INFO L225 Difference]: With dead ends: 39 [2020-10-29 12:06:41,389 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 12:06:41,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:06:41,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 12:06:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-29 12:06:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-29 12:06:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-29 12:06:41,403 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-29 12:06:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:41,403 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-29 12:06:41,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 12:06:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-29 12:06:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-29 12:06:41,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:41,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:41,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 12:06:41,406 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:41,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:41,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-29 12:06:41,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:41,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349091518] [2020-10-29 12:06:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:42,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-29 12:06:42,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 835 [2020-10-29 12:06:42,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:42,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:42,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 12:06:42,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:42,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:42,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:42,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:42,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:42,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:06:42,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:42,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:42,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:42,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:42,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:42,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 12:06:42,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:42,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:42,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:42,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:42,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:42,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:06:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:42,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:42,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:42,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:42,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:42,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:42,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:42,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 12:06:42,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349091518] [2020-10-29 12:06:42,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:42,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 12:06:42,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563923000] [2020-10-29 12:06:42,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:42,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:42,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:42,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:42,670 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-29 12:06:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:43,411 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-10-29 12:06:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:06:43,412 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-29 12:06:43,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:43,416 INFO L225 Difference]: With dead ends: 51 [2020-10-29 12:06:43,416 INFO L226 Difference]: Without dead ends: 46 [2020-10-29 12:06:43,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:06:43,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-29 12:06:43,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-10-29 12:06:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 12:06:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2020-10-29 12:06:43,452 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 28 [2020-10-29 12:06:43,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:43,453 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2020-10-29 12:06:43,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-10-29 12:06:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 12:06:43,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:43,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:43,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 12:06:43,457 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:43,458 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-29 12:06:43,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:43,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671192573] [2020-10-29 12:06:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:43,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:43,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:06:43,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-29 12:06:43,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:43,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 12:06:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:43,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:43,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:43,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:43,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:43,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:43,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:43,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:43,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:43,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:43,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:06:43,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:43,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 12:06:43,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:43,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:43,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:43,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:43,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:43,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:44,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:44,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:44,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:44,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:44,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:44,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:44,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:44,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:44,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:44,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:44,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:44,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:44,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:44,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:44,050 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 12:06:44,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671192573] [2020-10-29 12:06:44,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:06:44,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:06:44,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620719917] [2020-10-29 12:06:44,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:44,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:44,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:44,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:44,053 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand 8 states. [2020-10-29 12:06:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:44,567 INFO L93 Difference]: Finished difference Result 54 states and 72 transitions. [2020-10-29 12:06:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 12:06:44,569 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-29 12:06:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:44,571 INFO L225 Difference]: With dead ends: 54 [2020-10-29 12:06:44,572 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 12:06:44,573 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 12:06:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 12:06:44,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-29 12:06:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 12:06:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 61 transitions. [2020-10-29 12:06:44,600 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 61 transitions. Word has length 29 [2020-10-29 12:06:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:44,600 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 61 transitions. [2020-10-29 12:06:44,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2020-10-29 12:06:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-29 12:06:44,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:44,602 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 12:06:44,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 12:06:44,603 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:44,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:44,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-29 12:06:44,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:44,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031425837] [2020-10-29 12:06:44,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:44,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:44,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:06:45,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:06:45,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-29 12:06:45,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 12:06:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:45,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:45,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:06:45,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:45,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:06:45,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:06:45,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-29 12:06:45,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:06:45,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:06:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:45,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:45,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:45,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:06:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:45,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:45,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:45,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:06:45,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:45,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 12:06:45,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:45,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:45,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:06:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:45,460 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 12:06:45,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031425837] [2020-10-29 12:06:45,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 12:06:45,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 12:06:45,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743567705] [2020-10-29 12:06:45,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 12:06:45,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:45,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 12:06:45,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 12:06:45,463 INFO L87 Difference]: Start difference. First operand 46 states and 61 transitions. Second operand 8 states. [2020-10-29 12:06:46,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:46,046 INFO L93 Difference]: Finished difference Result 65 states and 94 transitions. [2020-10-29 12:06:46,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:06:46,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-29 12:06:46,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:46,050 INFO L225 Difference]: With dead ends: 65 [2020-10-29 12:06:46,050 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 12:06:46,052 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 12:06:46,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 12:06:46,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2020-10-29 12:06:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-29 12:06:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-10-29 12:06:46,068 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 30 [2020-10-29 12:06:46,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:46,068 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-10-29 12:06:46,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 12:06:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-10-29 12:06:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 12:06:46,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:46,071 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:06:46,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 12:06:46,072 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:46,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:46,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-29 12:06:46,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:46,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886996162] [2020-10-29 12:06:46,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:46,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:48,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:51,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 12:06:51,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:06:51,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:06:51,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:51,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:06:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:06:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:06:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:51,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:51,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:06:51,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:51,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:06:51,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:51,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:51,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-29 12:06:51,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:06:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:51,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:51,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:52,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:54,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:55,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:06:56,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:06:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:06:56,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:06:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:06:56,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:06:56,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:56,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:56,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:06:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 12:06:56,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:06:56,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:56,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:06:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:56,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:56,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:06:56,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:06:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:56,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:06:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:06:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:06:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:56,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:06:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:06:56,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:06:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 12:06:56,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:06:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:06:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:06:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:06:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:56,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:56,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:56,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:56,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:56,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:56,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:56,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:06:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:56,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:06:56,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:06:56,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:06:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:06:56,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:06:56,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:06:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:06:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:06:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:06:56,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:06:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 12:06:56,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886996162] [2020-10-29 12:06:56,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:06:56,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:06:56,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839892206] [2020-10-29 12:06:56,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:06:56,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:06:56,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:06:56,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:06:56,493 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 10 states. [2020-10-29 12:06:57,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:06:57,035 INFO L93 Difference]: Finished difference Result 81 states and 136 transitions. [2020-10-29 12:06:57,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 12:06:57,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-29 12:06:57,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:06:57,038 INFO L225 Difference]: With dead ends: 81 [2020-10-29 12:06:57,039 INFO L226 Difference]: Without dead ends: 76 [2020-10-29 12:06:57,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-29 12:06:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-29 12:06:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2020-10-29 12:06:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-29 12:06:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 111 transitions. [2020-10-29 12:06:57,062 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 111 transitions. Word has length 54 [2020-10-29 12:06:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:06:57,063 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 111 transitions. [2020-10-29 12:06:57,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:06:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2020-10-29 12:06:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 12:06:57,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:06:57,067 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 12:06:57,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 12:06:57,068 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:06:57,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:06:57,068 INFO L82 PathProgramCache]: Analyzing trace with hash 200692867, now seen corresponding path program 1 times [2020-10-29 12:06:57,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:06:57,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480265824] [2020-10-29 12:06:57,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:06:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:06:57,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:57,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:06:59,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:02,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:07:02,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:02,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:02,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 12:07:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:02,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:02,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:02,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:02,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:02,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:02,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:02,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:03,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 12:07:07,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:07,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:07:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:07,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:07,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:07,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 12:07:07,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:07:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:07,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:07,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:07,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:07:07,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:07,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:07,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:07,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:07,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:07,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:07,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:07:07,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:07,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:07,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:07,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:07,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:07,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:07,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:07,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:07,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:07,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:07,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:07,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:07,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:07,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-29 12:07:07,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480265824] [2020-10-29 12:07:07,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:07,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:07:07,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491483116] [2020-10-29 12:07:07,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:07:07,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:07:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:07:07,423 INFO L87 Difference]: Start difference. First operand 70 states and 111 transitions. Second operand 9 states. [2020-10-29 12:07:07,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:07,944 INFO L93 Difference]: Finished difference Result 107 states and 206 transitions. [2020-10-29 12:07:07,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 12:07:07,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-29 12:07:07,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:07,951 INFO L225 Difference]: With dead ends: 107 [2020-10-29 12:07:07,952 INFO L226 Difference]: Without dead ends: 102 [2020-10-29 12:07:07,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-29 12:07:07,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-29 12:07:07,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 84. [2020-10-29 12:07:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-29 12:07:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 146 transitions. [2020-10-29 12:07:07,984 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 146 transitions. Word has length 56 [2020-10-29 12:07:07,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:07,985 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 146 transitions. [2020-10-29 12:07:07,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:07:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2020-10-29 12:07:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-29 12:07:07,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:07,989 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:07,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 12:07:07,990 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:07,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1904491360, now seen corresponding path program 1 times [2020-10-29 12:07:07,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:07,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600409148] [2020-10-29 12:07:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:08,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:13,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 12:07:13,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:07:13,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:07:13,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:13,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:13,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:07:13,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:13,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:13,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:13,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:13,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:13,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:13,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:13,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:13,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 12:07:18,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:07:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:18,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 12:07:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:18,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:07:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-29 12:07:18,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:07:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:18,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:07:18,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:18,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:18,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:18,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:18,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:18,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:18,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:18,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:18,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:07:18,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:07:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:07:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:18,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:18,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:18,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:18,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:18,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:18,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:18,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:18,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:18,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:18,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 15 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-29 12:07:18,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600409148] [2020-10-29 12:07:18,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:18,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 12:07:18,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209674993] [2020-10-29 12:07:18,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 12:07:18,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:18,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 12:07:18,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-29 12:07:18,894 INFO L87 Difference]: Start difference. First operand 84 states and 146 transitions. Second operand 12 states. [2020-10-29 12:07:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:19,719 INFO L93 Difference]: Finished difference Result 214 states and 464 transitions. [2020-10-29 12:07:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:07:19,720 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 68 [2020-10-29 12:07:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:19,723 INFO L225 Difference]: With dead ends: 214 [2020-10-29 12:07:19,723 INFO L226 Difference]: Without dead ends: 137 [2020-10-29 12:07:19,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:07:19,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-29 12:07:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 126. [2020-10-29 12:07:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-29 12:07:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 241 transitions. [2020-10-29 12:07:19,782 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 241 transitions. Word has length 68 [2020-10-29 12:07:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:19,782 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 241 transitions. [2020-10-29 12:07:19,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 12:07:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 241 transitions. [2020-10-29 12:07:19,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 12:07:19,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:19,790 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:19,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 12:07:19,791 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:19,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:19,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2095812673, now seen corresponding path program 2 times [2020-10-29 12:07:19,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:19,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597576872] [2020-10-29 12:07:19,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:19,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 12:07:24,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:07:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 12:07:24,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:07:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:07:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 12:07:24,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:24,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:24,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:24,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:24,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:25,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:28,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:29,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 12:07:29,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:07:29,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:29,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:29,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:07:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 12:07:29,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:29,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:29,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 12:07:30,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:07:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-29 12:07:30,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 12:07:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:07:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:07:30,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:30,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:30,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:07:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:30,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:30,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:30,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:07:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:30,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:30,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:30,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 12:07:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:30,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:30,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 12:07:30,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:30,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:30,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:30,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:30,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:30,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:30,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:30,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:30,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:30,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:30,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:30,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 26 proven. 30 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 12:07:30,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597576872] [2020-10-29 12:07:30,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:30,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:07:30,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482330794] [2020-10-29 12:07:30,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:07:30,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:30,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:07:30,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:07:30,570 INFO L87 Difference]: Start difference. First operand 126 states and 241 transitions. Second operand 14 states. [2020-10-29 12:07:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:31,960 INFO L93 Difference]: Finished difference Result 239 states and 539 transitions. [2020-10-29 12:07:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:07:31,961 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 69 [2020-10-29 12:07:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:31,963 INFO L225 Difference]: With dead ends: 239 [2020-10-29 12:07:31,963 INFO L226 Difference]: Without dead ends: 103 [2020-10-29 12:07:31,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:07:31,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-29 12:07:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 96. [2020-10-29 12:07:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-29 12:07:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 156 transitions. [2020-10-29 12:07:32,003 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 156 transitions. Word has length 69 [2020-10-29 12:07:32,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:32,006 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 156 transitions. [2020-10-29 12:07:32,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:07:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2020-10-29 12:07:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 12:07:32,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:32,010 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:32,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 12:07:32,010 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-29 12:07:32,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:32,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068896335] [2020-10-29 12:07:32,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:32,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:32,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:36,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 12:07:37,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:07:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:37,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:37,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:37,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:37,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:37,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:37,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:37,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:37,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:37,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 12:07:42,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:07:42,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:07:42,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:42,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 12:07:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:07:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:42,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:42,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1540 [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:07:43,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:43,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:43,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:43,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:43,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:43,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:43,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:43,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:43,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:43,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:43,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:43,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:43,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:43,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:43,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:07:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:44,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:07:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 12:07:44,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:07:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:44,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:44,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:44,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:44,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:44,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:44,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:44,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:44,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:44,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 44 proven. 30 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-29 12:07:44,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068896335] [2020-10-29 12:07:44,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:44,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:07:44,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011724978] [2020-10-29 12:07:44,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:07:44,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:44,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:07:44,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:07:44,187 INFO L87 Difference]: Start difference. First operand 96 states and 156 transitions. Second operand 11 states. [2020-10-29 12:07:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:44,910 INFO L93 Difference]: Finished difference Result 201 states and 355 transitions. [2020-10-29 12:07:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 12:07:44,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-29 12:07:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:44,914 INFO L225 Difference]: With dead ends: 201 [2020-10-29 12:07:44,914 INFO L226 Difference]: Without dead ends: 112 [2020-10-29 12:07:44,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2020-10-29 12:07:44,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-29 12:07:44,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2020-10-29 12:07:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-29 12:07:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 173 transitions. [2020-10-29 12:07:44,932 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 173 transitions. Word has length 84 [2020-10-29 12:07:44,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:44,932 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 173 transitions. [2020-10-29 12:07:44,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:07:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2020-10-29 12:07:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 12:07:44,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:44,934 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:44,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 12:07:44,935 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:44,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:44,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1406199094, now seen corresponding path program 1 times [2020-10-29 12:07:44,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:44,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303305099] [2020-10-29 12:07:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:44,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 12:07:45,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-29 12:07:45,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 12:07:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-29 12:07:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 12:07:45,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:45,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:07:45,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 12:07:45,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:07:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 12:07:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:07:45,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 12:07:45,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:07:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 12:07:45,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:45,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 12:07:45,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:07:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:07:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:45,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:45,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:07:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:45,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:07:45,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:45,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:45,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:07:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:45,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:07:45,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:45,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:07:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:45,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:07:45,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:45,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:45,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 12:07:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:45,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:45,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:45,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:45,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:07:45,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:45,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:45,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:07:45,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-10-29 12:07:45,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303305099] [2020-10-29 12:07:45,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:45,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 12:07:45,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705526162] [2020-10-29 12:07:45,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 12:07:45,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:45,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 12:07:45,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:07:45,936 INFO L87 Difference]: Start difference. First operand 106 states and 173 transitions. Second operand 18 states. [2020-10-29 12:07:47,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:47,365 INFO L93 Difference]: Finished difference Result 159 states and 299 transitions. [2020-10-29 12:07:47,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 12:07:47,366 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 70 [2020-10-29 12:07:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:47,370 INFO L225 Difference]: With dead ends: 159 [2020-10-29 12:07:47,371 INFO L226 Difference]: Without dead ends: 154 [2020-10-29 12:07:47,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 12:07:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-29 12:07:47,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 133. [2020-10-29 12:07:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-29 12:07:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 250 transitions. [2020-10-29 12:07:47,397 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 250 transitions. Word has length 70 [2020-10-29 12:07:47,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:47,398 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 250 transitions. [2020-10-29 12:07:47,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 12:07:47,398 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 250 transitions. [2020-10-29 12:07:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 12:07:47,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:47,401 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:47,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 12:07:47,402 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:47,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:47,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1529278937, now seen corresponding path program 1 times [2020-10-29 12:07:47,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:47,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659950671] [2020-10-29 12:07:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:47,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:49,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:52,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 12:07:52,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:07:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:07:52,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:52,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:07:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-29 12:07:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:52,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:07:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:52,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:52,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:07:52,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:52,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:52,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:07:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:07:52,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:07:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:52,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:52,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:57,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:07:57,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:07:57,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:07:57,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:57,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:07:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-29 12:07:57,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:57,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:57,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:57,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 12:07:58,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:07:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-29 12:07:58,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:07:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:07:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 12:07:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:07:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:58,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:58,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:58,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:07:58,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:07:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:07:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:58,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:58,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:58,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:07:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 12:07:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:07:58,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:07:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 12:07:58,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:07:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:07:58,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:07:58,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:07:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:07:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:58,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:58,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:07:58,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:07:58,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:07:58,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:07:58,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:07:58,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:07:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:07:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:07:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:07:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:07:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 12:07:58,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659950671] [2020-10-29 12:07:58,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:07:58,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:07:58,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900549812] [2020-10-29 12:07:58,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:07:58,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:07:58,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:07:58,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:07:58,494 INFO L87 Difference]: Start difference. First operand 133 states and 250 transitions. Second operand 14 states. [2020-10-29 12:07:59,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:07:59,557 INFO L93 Difference]: Finished difference Result 301 states and 698 transitions. [2020-10-29 12:07:59,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 12:07:59,557 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 71 [2020-10-29 12:07:59,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:07:59,562 INFO L225 Difference]: With dead ends: 301 [2020-10-29 12:07:59,563 INFO L226 Difference]: Without dead ends: 173 [2020-10-29 12:07:59,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:07:59,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-29 12:07:59,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 132. [2020-10-29 12:07:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-29 12:07:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 239 transitions. [2020-10-29 12:07:59,592 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 239 transitions. Word has length 71 [2020-10-29 12:07:59,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:07:59,592 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 239 transitions. [2020-10-29 12:07:59,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:07:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 239 transitions. [2020-10-29 12:07:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 12:07:59,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:07:59,596 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:07:59,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 12:07:59,596 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:07:59,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:07:59,597 INFO L82 PathProgramCache]: Analyzing trace with hash 856619404, now seen corresponding path program 1 times [2020-10-29 12:07:59,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:07:59,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760183120] [2020-10-29 12:07:59,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:07:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:07:59,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:07:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:00,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:03,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:08:04,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-29 12:08:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:08:04,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:04,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:08:04,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:04,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:04,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:04,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:04,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:05,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:06,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:07,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 12:08:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:09,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:10,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 12:08:13,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3542 [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 12:08:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:13,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:13,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:08:13,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:13,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:13,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:13,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:13,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:13,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:13,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:13,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 12:08:13,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 12:08:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:13,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:13,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:13,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:13,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:13,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:13,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:13,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 12:08:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:13,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:16,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:17,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:18,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 12:08:18,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 12:08:18,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:18,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:18,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 12:08:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:18,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:18,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 12:08:23,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:08:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:23,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 12:08:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 12:08:23,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:08:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-29 12:08:23,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 12:08:23,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 12:08:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 12:08:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 12:08:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:23,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 12:08:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 12:08:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:23,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:23,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:23,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 12:08:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 104 proven. 90 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-10-29 12:08:23,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760183120] [2020-10-29 12:08:23,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:23,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 12:08:23,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929152490] [2020-10-29 12:08:23,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 12:08:23,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:23,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 12:08:23,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:08:23,949 INFO L87 Difference]: Start difference. First operand 132 states and 239 transitions. Second operand 18 states. [2020-10-29 12:08:25,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:25,553 INFO L93 Difference]: Finished difference Result 224 states and 427 transitions. [2020-10-29 12:08:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 12:08:25,561 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 120 [2020-10-29 12:08:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:25,562 INFO L225 Difference]: With dead ends: 224 [2020-10-29 12:08:25,562 INFO L226 Difference]: Without dead ends: 84 [2020-10-29 12:08:25,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=196, Invalid=1064, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 12:08:25,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-29 12:08:25,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2020-10-29 12:08:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-29 12:08:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 96 transitions. [2020-10-29 12:08:25,575 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 96 transitions. Word has length 120 [2020-10-29 12:08:25,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:25,575 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 96 transitions. [2020-10-29 12:08:25,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 12:08:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2020-10-29 12:08:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 12:08:25,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:25,577 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:25,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 12:08:25,578 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:25,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:25,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1561430035, now seen corresponding path program 1 times [2020-10-29 12:08:25,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:25,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720202342] [2020-10-29 12:08:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:25,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:26,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-29 12:08:30,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 12:08:30,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 12:08:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 12:08:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:30,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:30,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:30,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:30,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:30,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:35,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:35,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 12:08:35,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:35,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:35,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:35,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:37,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 12:08:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:08:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4967 [2020-10-29 12:08:40,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 12:08:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:40,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:08:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:08:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:40,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:40,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 12:08:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:40,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:41,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:42,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 12:08:45,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-29 12:08:45,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:08:45,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:08:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:08:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:45,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:45,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:45,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:45,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:45,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:45,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:45,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:45,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:08:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:45,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:46,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:46,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:46,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:08:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 12:08:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:46,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:08:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:46,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:46,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:46,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:46,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:46,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:46,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 66 proven. 91 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-29 12:08:46,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720202342] [2020-10-29 12:08:46,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:46,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 12:08:46,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652748533] [2020-10-29 12:08:46,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 12:08:46,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:46,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 12:08:46,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 12:08:46,094 INFO L87 Difference]: Start difference. First operand 79 states and 96 transitions. Second operand 11 states. [2020-10-29 12:08:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:08:47,012 INFO L93 Difference]: Finished difference Result 166 states and 226 transitions. [2020-10-29 12:08:47,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 12:08:47,013 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-10-29 12:08:47,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:08:47,015 INFO L225 Difference]: With dead ends: 166 [2020-10-29 12:08:47,016 INFO L226 Difference]: Without dead ends: 97 [2020-10-29 12:08:47,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2020-10-29 12:08:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-29 12:08:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-10-29 12:08:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-29 12:08:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2020-10-29 12:08:47,027 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 114 [2020-10-29 12:08:47,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:08:47,027 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2020-10-29 12:08:47,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 12:08:47,027 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2020-10-29 12:08:47,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-29 12:08:47,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:08:47,029 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:08:47,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 12:08:47,029 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:08:47,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:08:47,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1851159598, now seen corresponding path program 2 times [2020-10-29 12:08:47,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:08:47,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009054195] [2020-10-29 12:08:47,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:08:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:47,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:47,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:50,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:51,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 12:08:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:08:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:52,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:08:52,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:08:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:52,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:08:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:52,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:52,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 12:08:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 12:08:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:57,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:08:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:08:58,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1171 [2020-10-29 12:08:58,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:08:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:08:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 12:08:58,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:08:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 12:08:58,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:08:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:08:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:58,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:58,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 12:08:58,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:58,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:58,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:58,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:08:58,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:58,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:08:58,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 12:08:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:58,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:58,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:58,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:58,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 12:08:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:58,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 12:08:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:08:59,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:08:59,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:08:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:08:59,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:08:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:08:59,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:08:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:08:59,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:08:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:08:59,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:08:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:08:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:08:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:08:59,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:08:59,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:08:59,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:08:59,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:08:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 12:08:59,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:08:59,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:08:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:08:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:08:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:08:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:08:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 51 proven. 67 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-29 12:08:59,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009054195] [2020-10-29 12:08:59,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:08:59,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 12:08:59,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040776865] [2020-10-29 12:08:59,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 12:08:59,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:08:59,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 12:08:59,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-29 12:08:59,241 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand 14 states. [2020-10-29 12:09:00,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:00,134 INFO L93 Difference]: Finished difference Result 193 states and 276 transitions. [2020-10-29 12:09:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 12:09:00,135 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 98 [2020-10-29 12:09:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:00,136 INFO L225 Difference]: With dead ends: 193 [2020-10-29 12:09:00,137 INFO L226 Difference]: Without dead ends: 106 [2020-10-29 12:09:00,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:09:00,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-29 12:09:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2020-10-29 12:09:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-29 12:09:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-10-29 12:09:00,149 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 98 [2020-10-29 12:09:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:00,149 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-10-29 12:09:00,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 12:09:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-10-29 12:09:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 12:09:00,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:09:00,152 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:09:00,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 12:09:00,152 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:09:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:09:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash 2083902716, now seen corresponding path program 2 times [2020-10-29 12:09:00,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:09:00,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339759443] [2020-10-29 12:09:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:09:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:00,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:05,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 12:09:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 12:09:05,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:05,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:09:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:05,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:05,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:09:05,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:05,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:05,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:05,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:05,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:05,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:05,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:09:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:05,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 12:09:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:09:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:09:10,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 12:09:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:09:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 12:09:10,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:09:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 12:09:10,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:10,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:10,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:10,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 12:09:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:10,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:10,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:09:10,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:10,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 12:09:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 343 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:09:10,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:09:10,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:09:10,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 12:09:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 12:09:10,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:09:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:10,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 12:09:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:09:10,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:09:10,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 12:09:10,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:09:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:09:10,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 12:09:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:09:10,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:09:10,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:09:10,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 12:09:10,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:09:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 12:09:10,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:09:10,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:09:10,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:09:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:09:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 12:09:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:09:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 67 proven. 21 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-29 12:09:10,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339759443] [2020-10-29 12:09:10,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:09:10,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 12:09:10,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274594769] [2020-10-29 12:09:10,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 12:09:10,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:09:10,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 12:09:10,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 12:09:10,772 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 10 states. [2020-10-29 12:09:11,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:09:11,328 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2020-10-29 12:09:11,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 12:09:11,338 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-29 12:09:11,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:09:11,338 INFO L225 Difference]: With dead ends: 98 [2020-10-29 12:09:11,339 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 12:09:11,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2020-10-29 12:09:11,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 12:09:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 12:09:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 12:09:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 12:09:11,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2020-10-29 12:09:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:09:11,344 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 12:09:11,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 12:09:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 12:09:11,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 12:09:11,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 12:09:11,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 12:09:13,216 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 14 [2020-10-29 12:09:13,666 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2020-10-29 12:09:13,795 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 7 [2020-10-29 12:09:13,956 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 6 [2020-10-29 12:09:14,012 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 12:09:14,012 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 12:09:14,012 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 12:09:14,012 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 12:09:14,012 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 12:09:14,013 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 12:09:14,013 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 12:09:14,013 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 12:09:14,014 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 12:09:14,014 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 12:09:14,014 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 12:09:14,014 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 37 44) the Hoare annotation is: true [2020-10-29 12:09:14,014 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 37 44) no Hoare annotation was computed. [2020-10-29 12:09:14,014 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 37 44) no Hoare annotation was computed. [2020-10-29 12:09:14,014 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: false [2020-10-29 12:09:14,014 INFO L274 CegarLoopResult]: For program point L40(lines 40 42) no Hoare annotation was computed. [2020-10-29 12:09:14,015 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-29 12:09:14,015 INFO L270 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (= main_~x~0 4) [2020-10-29 12:09:14,015 INFO L274 CegarLoopResult]: For program point L39-1(line 39) no Hoare annotation was computed. [2020-10-29 12:09:14,015 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 42) no Hoare annotation was computed. [2020-10-29 12:09:14,015 INFO L277 CegarLoopResult]: At program point fibo2ENTRY(lines 19 27) the Hoare annotation is: true [2020-10-29 12:09:14,015 INFO L270 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (not (<= |fibo2_#in~n| 2))) [2020-10-29 12:09:14,015 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-10-29 12:09:14,015 INFO L270 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (let ((.cse0 (= fibo2_~n |fibo2_#in~n|))) (or (and (<= 3 |fibo2_#in~n|) (<= |fibo2_#t~ret9| 1) .cse0 (<= 1 |fibo2_#t~ret9|)) (and (<= 4 fibo2_~n) .cse0))) [2020-10-29 12:09:14,015 INFO L274 CegarLoopResult]: For program point L22(lines 22 26) no Hoare annotation was computed. [2020-10-29 12:09:14,016 INFO L274 CegarLoopResult]: For program point L25-3(line 25) no Hoare annotation was computed. [2020-10-29 12:09:14,016 INFO L274 CegarLoopResult]: For program point L20(lines 20 26) no Hoare annotation was computed. [2020-10-29 12:09:14,016 INFO L274 CegarLoopResult]: For program point fibo2FINAL(lines 19 27) no Hoare annotation was computed. [2020-10-29 12:09:14,016 INFO L274 CegarLoopResult]: For program point fibo2EXIT(lines 19 27) no Hoare annotation was computed. [2020-10-29 12:09:14,018 INFO L277 CegarLoopResult]: At program point fibo1ENTRY(lines 9 17) the Hoare annotation is: true [2020-10-29 12:09:14,018 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (<= 2 |fibo1_#in~n|) (= fibo1_~n |fibo1_#in~n|)) [2020-10-29 12:09:14,018 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-10-29 12:09:14,019 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (and (or (<= 4 fibo1_~n) (and (<= 1 |fibo1_#t~ret7|) (<= |fibo1_#t~ret7| 1))) (not (<= |fibo1_#in~n| 1)) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= |fibo1_#in~n| 3) .cse0) (and .cse0 (<= |fibo1_#t~ret7| 2) (<= 2 |fibo1_#t~ret7|)) (and (<= 5 fibo1_~n) .cse0)))) [2020-10-29 12:09:14,019 INFO L274 CegarLoopResult]: For program point L12(lines 12 16) no Hoare annotation was computed. [2020-10-29 12:09:14,019 INFO L274 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-10-29 12:09:14,019 INFO L274 CegarLoopResult]: For program point fibo1FINAL(lines 9 17) no Hoare annotation was computed. [2020-10-29 12:09:14,019 INFO L274 CegarLoopResult]: For program point L10(lines 10 16) no Hoare annotation was computed. [2020-10-29 12:09:14,019 INFO L274 CegarLoopResult]: For program point fibo1EXIT(lines 9 17) no Hoare annotation was computed. [2020-10-29 12:09:14,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:09:14 BoogieIcfgContainer [2020-10-29 12:09:14,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 12:09:14,029 INFO L168 Benchmark]: Toolchain (without parser) took 155888.55 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 125.9 MB in the beginning and 453.5 MB in the end (delta: -327.5 MB). Peak memory consumption was 398.4 MB. Max. memory is 8.0 GB. [2020-10-29 12:09:14,031 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 12:09:14,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.03 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 115.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 12:09:14,039 INFO L168 Benchmark]: Boogie Preprocessor took 41.48 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 114.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-29 12:09:14,040 INFO L168 Benchmark]: RCFGBuilder took 423.70 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 99.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-29 12:09:14,040 INFO L168 Benchmark]: TraceAbstraction took 155029.44 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 99.3 MB in the beginning and 453.5 MB in the end (delta: -354.1 MB). Peak memory consumption was 371.1 MB. Max. memory is 8.0 GB. [2020-10-29 12:09:14,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 382.03 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 115.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.48 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 114.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 423.70 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 99.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 155029.44 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 99.3 MB in the beginning and 453.5 MB in the end (delta: -354.1 MB). Peak memory consumption was 371.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 152.2s, OverallIterations: 16, TraceHistogramMax: 10, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 443 SDtfs, 851 SDslu, 1100 SDs, 0 SdLazy, 4556 SolverSat, 718 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 624 GetRequests, 332 SyntacticMatches, 6 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 134 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 451 PreInvPairs, 742 NumberOfFragments, 118 HoareAnnotationTreeSize, 451 FomulaSimplifications, 21666 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 13 FomulaSimplificationsInter, 3726 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 137.7s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1017 ConstructedInterpolants, 0 QuantifiedInterpolants, 208945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 1241/1684 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...